[#iM@S support advertisement] IWSF2026 support advertisement summary [7/20 week birthday idols too! ]

2026.07.21

事例

Thank you to all the producers for your hard work! This is Cheering AD.

Many advertisements are being posted to support the idols who will be appearing at IDOL WORLD SUPER FESTIVAL 2026, which will be held this weekend! We will introduce you to the Idolmaster support ads currently being posted, including support ads for idols whose birthdays and anniversaries are this week.✨　

Keio Tobitakyu Station (inside the ticket gate)

[Cross series] Makoto Kikuchi & Ayumu Maihama Chihaya Kisaragi & Shizuka Mogami

[Corrected post] Starting today, July 21st, we will be posting support advertisements for Makoto Kikuchi & Ayumu Maihama, Chihaya Kisaragi & Shizuka Mogami in conjunction with IWSF2026 at the Keio Line Tobitakyu Station (inside the ticket gates, near the innermost stairs towards the Shinjuku platform), which is the closest to the venue! B0 size 2 consecutive numbers!
Locals are welcome to stop by!#iM@S support advertisement #iM@S IWSF2026 pic.twitter.com/CsR81we5uH
— Volunteer group supporting 765 professionals (support advertising planning organization) (@765million_h2) July 21, 2026

[Cross series] Kaho Komiya & Suzaku Akii & Kotone Fujita

🔥Notice of support advertisement posting💫

🗓️7/21 (Tue) - 7/27 (Mon)
📍Keio Line Tobitakyu Station#iM@S IWSF2026 We will post support advertisements for Kaho Komiya, Suzaku Akii, and Kotone Fujita who will be appearing on Day 3!#iM@S support advertisement #Bakuen Ichibanboshi support advertisement
Please check the image and tree for details. pic.twitter.com/q1On5U2yRU
— Baken Ichibanboshi Cheer Team (@burning1star) July 21, 2026

[Cross series]Haruka Amami & Kaho Komiya

[Start posting support advertisements!!]
From today, support advertisements for Haruka Amami and Kaho Komiya have started posting.
Please take a look at the invincible and wonderful scenery of these two!

≪Posting period≫
7/21 (Tue) - 27 (Mon)
≪Posting location≫
Keio Line Tobitakyu Station Ticket Gate Concourse#iM@S IWSF2026 #iM@S support advertisement #Haruka Amami #Kaho Komiya pic.twitter.com/ORzHCyN4jt
— Harukaho Support Committee (@haruka_and_kaho) July 21, 2026

[765PRO ALLSTARS] Azusa Miura & Chihaya Kisaragi

✨Notice of support advertisement posting✨

IDOL WORLD SUPER FESTIVAL
Appeared on Day2 -ZESSYOU-#Azusa Miura Mr. #Kisaragi Chihaya We are posting support advertisements for Mr. from today!

Period: July 21st (Tuesday) - July 27th (Monday)
Location: Keio Line Tobitakyu Station

For details, please see the image and the notes below.#IWSF2026 #iM@S support advertisement pic.twitter.com/6SNUbBnEEN
— 765 Fukuoka Enendan (@yokaprokoukoku) July 21, 2026

[765PRO ALLSTARS] Yayoi Takatsuki

Notice of support advertisement posting (1/2)

"IDOL WORLD SUPER FESTIVAL 2026"
We will be posting an advertisement to support Yayoi Takatsuki who will be appearing in!

Posting period: July 21st (Tuesday) to July 27th (Monday), 2026
Posting location: Keio Line Tobitakyu Station

Please check the image for details!#iM@S IWSF2026 #iM@S support advertisement pic.twitter.com/6y9yNaBf8b
— Yayoi-chan support planning group (@takatsuki130325) July 21, 2026

【starlit season】Reon & Shika & Okoku Shinpaku

#iM@S support advertisement Notice of posting#iM@S IWSF2026 Support advertisement for Reon, Shika, Okoku Shinpaku and Aya who will be appearing in
📅Posting period: 7/21 (Tue) - 7/27 (Mon) 1 week
🚉Posting location: Keio Line Tobitakyu Station (the station closest to the venue) inside the ticket gate
*It's right next to the ticket gate.
↓continued
A Keio Line admission ticket is required. pic.twitter.com/zVZpolBNLk
— Kurooku (@kuro_oku1897) July 21, 2026

[SideM] Kei-san & Athrun-san & Teru-san & Suzaku-san & Shiro-san & Ren-san

Thank you everyone for your hard work!

Starting today,
🌟 Keio Line Tobitakyu Station 🌟At
Support advertisements for IWSF 315 professional performers will be posted!
Please check the attached image for details.

📍｜Keio Line Tobitakyu Station
📅｜7/21(Tue)-7/27(Mon)#SideM support advertisement #iM@S support advertisement https://t.co/vdMJ1YGD1O pic.twitter.com/b8QEvOvduF
— Passion Planning (@passion_kk_0315) July 21, 2026

[SideM] Suzaku Akii

God speed one soul
❤️🔥🔥 Benii Suzaku 🔥❤️🔥
IDOL WORLD SUPER FESTIVAL 2026
day3 KYOUMEI
We will be running a support advertisement to celebrate the performance!✨

🗓Posting period: 7/21 (Tue) - 7/27 (Mon)
📍[Keio Line Tobitakyu Station]

Please take a look when you stop by!#SideM support advertisement #iM@S support advertisement #IWSF2026 pic.twitter.com/mXuuPRtGcx
— Shinsoku Ichikon Cheer Team (@SnskKikaku) July 21, 2026

Keio Chofu Station

Posted in two locations: next to the central exit ticket gate and inside the east exit ticket gate!

[Deremas] Nao Kamiya

🌈Notice of support advertisement posting🌈

Nao Kamiya-chan#iM@S IWSF2026 We will post a support advertisement to celebrate your appearance on

🗓️ 1 week from 7/21 (Tuesday) to 7/27 (Monday)
📍 Keio Electric Railway Keio Line Chofu Station “Inside the ticket gate”
　　　　　
Please check the image/tree for details.#I love everyone #Deremas support advertisement　〈1/4〉 pic.twitter.com/MMx54W6jZi
— Kamiya Nao-chan support project (@Kamiya_Nao_0916) July 21, 2026

[Million Live] Makoto Kikuchi & Ayumu Maihama

[Notice of support advertisement posting]⁰IWSF2026 -YAKUDOU- Appearing in the performance
Support advertisements for Makoto Kikuchi and Ayumu Maihama will be posted on the following dates!

🖤Posting period⁰7/21 (Tue) ~ 7/27 (Mon)

💖Posting location⁰ Near the central exit ticket gate of Chofu Station on the Keio Line#Mirishita support advertisement #iM@S support advertisement pic.twitter.com/Qo848M3dnM
— Makoto Kikuchi/Ayumu Maihama support ad (@ayumu_makoto_ad) July 21, 2026

[Million Live] Tsubasa-san & Ayumu-san & Shizuka-san & Julia-san & Mirai-san & Arisa-san

---Notice of support advertisement display---

We will be posting support advertisements for the "MILLIONSTARS" who will be appearing in IWSF2026.

Posting location: Keio Electric Railway Keio Line Chofu Station
Posting period: July 21st to July 27th

Please check the image/tree for details and notes.#Mirishita support advertisement #iM@S IWSF2026 pic.twitter.com/dmV20wDqix
— Cheering Idol-chan (@765Cheering) July 21, 2026

[Million Live] Ayumu Maihama

⚡Notice of support advertisement posting⚡

To commemorate Ayumu Maihama's birthday and appearance at the event, we will post a support advertisement for 765 Pro Live Theater member Ayumu Maihama!

Period: 2026/7/21 (Tue) ~ 7/27 (Mon)
Location: Keio Line Chofu Station *Inside the ticket gate

Please check the image for details💃

#Ayumu Maihama Birthday Festival 2026
#Ayumu Maihama Birthday Festival 2026
#iM@S IWSF2026

↓ pic.twitter.com/niWhvNMnEe
— Ayumu Maihama support advertising project (@cheering_ayuMu) July 21, 2026

【Dearly Stars] Ai Hidaka

Announcement of support advertisement for Hidaka Ai-chan ∩(＞ヮ＜)q#iM@S IWSF2026 To commemorate the event and performance #Hidaka Ai-chan support advertisement We will post it!

Posting period: 2026/7/21 (Tue) - 7/27 (Mon)
Posting location: Keio Line Chofu Station, inside the ticket gate (B1 floor)

Please see the image for details!
thank you! ∩(＞ヮ＜)q#iM@S support advertisement pic.twitter.com/KGdPIucRdK
— Hidaka Ai-chan full support project (@ai_hidaka_hello) July 21, 2026

Shinjuku area

Please note that the locations of support advertisements in Shinjuku are different for the four railway companies: Keio Line, Tokyo Metro, JR, and Toei!
📍Keio Shinjuku Station (inside/outside the ticket gate)
Please note that the poster will be displayed outside the ticket gate, and Retora's big board will be displayed on Platform 3 inside the ticket gate!
[Cross series] Ren Kizaki & Asahi Serizawa

❤️🔥Notice of support advertisement posting❤️🔥

We will be posting advertisements to support Ren Kizaki and Asahi Serizawa, who will be appearing on IWSF 2026 Day1.

🗓️7/21 (Tue) - 7/27 (Mon)
📍Keio Line Shinjuku Station (outside the ticket gate)

Please check the image/tree for details!#iM@S support advertisement #iM@S IWSF2026 #Exciting strongest support advertisement pic.twitter.com/Y8d5jAdYZv
— Strongest idol support project (@saikyo_idol_ki) July 21, 2026

[Viara] Letra-san(Big board for 4 B0 posters!)

Support advertisement information📢(Hope to spread🙋）#Viara Letra-sama⚡To commemorate the Day 2 appearance of#iM@S IWSF2026 We will issue support advertisements to enliven the🐶 #Retlove

🎉Period: 7/20 (Monday) to 7/26 (Sunday)
💐Location: Keio Line Shinjuku Station (Platform 3 platform floor)

Illustration: Mr. Kisehara (@pkisehara）

※… pic.twitter.com/vIE7mPmOJG
— Noël (@Noel_angelos) July 20, 2026

[VIARA] Uchuu Shusui & YIdols performing on AKUDOU

Notice of support advertisement posting#JousuiRyuuUniverseTo celebrate the appearance of +YAKUDOU's friends at "IDOL WORLD SUPER FESTIVAL 2026", we will post a support advertisement.

Please check the image/tree for details.

Period: 2026.07.21(Tue) – 2026.07.27(Mon)
Location: Keio Line Shinjuku Station#iM@S IWSF2026 #idolmaster #iM@S pic.twitter.com/5pDb3ZwHBu
— Cosmic Anonymous (@ThatCosmicAnon) July 21, 2026

[Shanimas] Nanakusa Nichika's birthday

📣[Nanakusa Nichika Birthday Festival 2026]
Birthday support advertising project for Nanakusa Nichika

To celebrate Nanakusa Nichika-chan's birthday, we will post station advertisements.🎉

🗓️ 07.21 (Tue) ~ 07.27 (Mon)
📍 Keio Line Shinjuku Station Keio Mall Annex (outside the ticket gate)#Nichika BD Advertisement 2026 #Nichika Birthday Festival 2026 #Shanimas support advertisement

（1/3) pic.twitter.com/Fea17ZQpId
— Seeds Planning Department (@SHHis_kikaku) July 21, 2026

📍Tokyo Metro Shinjuku Station
It is posted on the east side of Shinjuku Station, near the B10 exit from the Marunouchi Line east ticket gate!

[Deremas] Nao Kamiya

🌈Notice of support advertisement posting🌈

We are posting advertisements at Shinjuku Station to support Nao Kamiya's IWSF appearance and Cinderella Girl general election!

🚃Tokyo Metro Marunouchi Line Shinjuku Station
📅7/20 (Mon) - 7/26 (Sun)

Please come and see it to celebrate!🌈#Deremas support advertisement #iM@S IWSF2026 #Cinderella Girl General Election 2026 pic.twitter.com/d4N7yP1LGH
— Nao Kamiya Cheers Club (@NaoKamiyaCheers) July 20, 2026

[Deremas] 10th anniversary of Miyu Mifune's voice implementation

[Notice of support advertisement]
It has been decided to publish a support advertisement celebrating Miyu Mifune's 10th anniversary of her voice.🎉

Posted at: Tokyo Metro Marunouchi Line Shinjuku Station
Posting date and time: 7/20 (Monday) to 7/26 (Sunday)

*Please check the attached image for other details. pic.twitter.com/vTczk8rQst
— Miyu Mifune support project (@MifuneMiyuCheer) July 20, 2026

[Gakumas] Lilia Katsuragi's birthday

︎︎︎︎☁️Notice of support advertisement publication☁️

To commemorate Lilia Katsuragi's birthday, we will post a support advertisement!

Please check the image/tree for details.

🗓 7/22~(Wed)~7/28(Tue)
📍Tokyo Metro Shinjuku Station

#Gakumas support advertisement #School Idolmaster #Lilya Katsuragi #Lilya Katsuragi Birthday Festival 2026 pic.twitter.com/LhwccZVfXZ
— Ririya Katsuragi support advertising project (@0724_katsuragi) July 22, 2026

📍JR Shinjuku Station (inside the ticket gate)
Posted inside the ticket gate near the central east ticket gate! Please be careful when viewing this site as it is a busy area.
[Deremas] Aiko Takamori's birthday

📣Notice of support advertisement posting📸

July 25th is Aiko Takamori’s birthday🎂
To celebrate, we will be posting support advertisements at Shinjuku Station! !

Period: 7/20 (Monday) to 7/26 (Sunday)
Location: JR Yamanote Line Shinjuku Station B1F east exit ticket gate
*Details are shown in the image #Deremas support advertisement #Dereste support advertisement… pic.twitter.com/So2DZXbBSL
— Aiko Takamori celebration project (@aiko_kikaku) July 20, 2026

[Deremas] Kokoro Sato's birthday

. ˖ ꒰𑁬 ♡ ໒꒱ ˖ .#Deremas support advertisement Notice of posting

Happy birthday to Kokoro Sato and Shuga Heart-chan.
We will post support advertisements in 4 locations nationwide.🍰🩷

🗓️7/20 (Monday holiday) ~ 26 (Sunday)
📍JR Shinjuku Station
📍JR East Matsumoto Station

coming soon...♡
📍Osaka
📍Fukuoka

💛 #Sato Kokoro Birthday Festival 2026
🩷 #Shugaha Advertisement pic.twitter.com/Ixvzc4kQGV
— Shugar Heart-chan Love Club (@sug4r810) July 20, 2026

📍Toei Shinjuku Station (inside the ticket gate)
It will be posted inside the ticket gate and on the B4F (floor facing the Shinjuku Line/Oedo Line platform)!
[765PRO ALLSTARS] Azusa Miura birthday & live performance celebration

🪻Notice of support advertisement posting🪻
We will be posting support advertisements to celebrate Azusa Miura's 20 years of progress, her appearance at the live show marking the 20th anniversary year finale, and her birthday!

💜2026/7/20 (Mon) - 7/26 (Sun)
💜Toei Oedo Line Shinjuku Station#Azusa Miura #iM@S support advertisement #Azusa Miura Birthday Festival 2026 pic.twitter.com/sGJBXsZZW9
— Azusa Miura support advertising planning account (@toratan_cc) July 20, 2026

Other stations in Tokyo

📍Tokyo Metro Monzennakacho Station (inside the ticket gate)
[SideM] Legenders 10th anniversary

︎✦︎︎︎⟡Support advertisement notice︎︎⟡︎✦︎
We will post a support advertisement to celebrate the 10th anniversary of the formation of the Legenders unit.

Please check the image/tree for details︎︎︎⏱ ̖́-

🗓️ ︎︎⟡2026.07.20(Mon) – 07.26(Sun)
📍 ︎︎⟡Tokyo Metro Tozai Line Monzennakacho Station#Legenders10th support advertisement #SideM support advertisement pic.twitter.com/mGun0aaFqH
— 315 Pro Legenders Support Group (𝑵𝒐𝐰 ⇒ Legers 10th) (@315Legenders_ad) July 20, 2026

📍Keio Seisekisakura Station (inside the ticket gate)

[Shanimas]Madoka Higuchi

📢Notice of support advertisement posting📢
To commemorate Madoka Higuchi's appearance at "IDOL WORLD SUPER FESTIVAL2026 Day2 -ZESSYOU-" which will be held at Keio Arena TOKYO this weekend, we are posting support advertisements for Madoka Higuchi from today!

Posting period: 7/21 (Tuesday) to 7/27 (Monday)
Posting location: Keio Line... pic.twitter.com/q8rmO5bTGe
— Noctile Support Planning Department Let's Shine in Sea Blue Project (@projectdye_blue) July 21, 2026

[Shanimas] Nanakusa Nichika's birthday

💚Notice of support advertisement posting💚

We will be posting a support advertisement for Nichika Nanakusa, who will be celebrating her birthday on July 26th (Sunday).🎂

🗓️7/21 (Tue) - 7/27 (Mon)
📍Keio Line Seiseki Sakuragaoka Station (inside the ticket gate)

Please check the image/tree for details.💫#iM@S support advertisement #Shanimas support advertisement #Nichikakokolike support advertisement pic.twitter.com/vrFLGRJJbk
— Nanakusa Nichika Support Project (@nichika_birth) July 21, 2026

[Gakumas] Lilia Katsuragi's birthday
📍Tokyo Metro Akihabara Station (inside the ticket gate)

Click here for location details
From JR Akihabara Station, exit the Showa-dori ticket gate and turn to the right, and you will see exit ③.

*Depending on the work status, posting may start after release.
*Please refrain from making inquiries to station staff.
*For all inquiries, please contact [Reeliya Support Project] pic.twitter.com/BbmhatOxCd
— Lilja Cheering Project (@Lilja_Cheering) July 24, 2026

Other areas

[Deremas] Kokoro Sato's birthday
📍JR East Matsumoto Station
📍Kintetsu Osaka Namba Station
📍Nishitetsu Fukuoka (Tenjin) Station

#Deremas support advertisement Posting notice 3️⃣

To celebrate Kokoro Sato and Shugar Heart-chan's birthday, we will be posting support advertisements in 4 locations across the country.🍰

🗓️7/20 (Monday holiday) ~ 26 (Sunday)
📍JR Shinjuku Station
📍JR East Matsumoto Station

🗓️7/21 (Tue) ~ 27 (Mon)
📍Kintetsu Osaka Namba Station

🗓️7/22 (Wed) ~ 28 (Tue)
📍Nishitetsu Fukuoka (Tenjin) Station#Shugaha Advertisement pic.twitter.com/2E0eV8X6en
— Shugar Heart-chan Love Club (@sug4r810) July 22, 2026

[Deremas] 10th anniversary of Miyu Mifune's voice implementation
📍Kintetsu Osaka Namba Station

[Notice of support advertisement]
We will also be running support ads in Osaka to celebrate the 10th anniversary of Miyu Mifune's voice.🎉

Posted at: Kintetsu Osaka Namba Station
Posting date and time: 7/21 (Tue) - 7/27 (Mon)

*Please check the attached image for other details. pic.twitter.com/Hl1LZdRj6h
— Miyu Mifune support project (@MifuneMiyuCheer) July 21, 2026

[Gakumas] Lilia Katsuragi's birthday
📍 JR Tokai Nagoya Station Central Exit (inside the ticket gate)

I won't avert my eyes---

We submitted a support advertisement to celebrate Lilia Katsuragi's birthday.

🗓️ 7/20 (Mon) ⇒ 7/26 (Sun)
📍 JR Tokai Nagoya Station Central Exit (inside the ticket gate)

Additional submissions will be made in Tokyo on July 24th, so we will notify you again on that day.

Please check the tree for details.#Gakumas support advertisement pic.twitter.com/E1fWlgmDlr
— Lilja Cheering Project (@Lilja_Cheering) July 20, 2026

︎︎︎︎☁️Notice of support advertisement publication☁️

To commemorate Lilia Katsuragi's birthday, we will post a support advertisement!

Please check the image/tree for details.

🗓 7/20~(Mon)~7/26(Sun)
📍Nagoya Railway Meitetsu Nagoya Station

#Gakumas support advertisement #School Idolmaster #Lilya Katsuragi #Lilya Katsuragi Birthday Festival 2026 pic.twitter.com/eYLyw4qAiC
— Ririya Katsuragi support advertising project (@0724_katsuragi) July 20, 2026

📍Osaka Metro Umeda Station

︎︎︎︎☁️Notice of support advertisement publication☁️

To commemorate Lilia Katsuragi's birthday, we will post a support advertisement!

Please check the image/tree for details.

🗓 7/20~(Mon)~7/26(Sun)
📍Osaka Metro Umeda Station

#Gakumas support advertisement #School Idolmaster #Lilya Katsuragi #Lilya Katsuragi Birthday Festival 2026 pic.twitter.com/Z35pAF9C3c
— Ririya Katsuragi support advertising project (@0724_katsuragi) July 20, 2026

📍Kintetsu Kyoto Station

🐇⸒Notice of support advertisement🥕

We will be running a commemorative ad to celebrate the birthday of school idolmaster Lilia Katsuragi.♡ +ﾟ

🗓location♡:Kintetsu Railway Kyoto Station
📍period♡: July 22, 2026 - July 28, 2026

See image and tree for details♬🩵 pic.twitter.com/EnTAZwALCg
— Ririyata Souen Club☆彡 (@LiljaOuenclub) July 22, 2026

How to run support advertisements for the “THE IDOLM@STER” series?

After seeing the loving support advertisements, you want to send support advertisements to your idols as well! If you are a producer who thinks so, please check the rules for support advertisements before applying!

■Support advertising rules for each series
Please check the support advertising regulations for each title before applying and creating your design.
・THE IDOLM@STER (765PRO ALLSTARS, home title)
　 For more detailshere
・THE IDOLM@STER CINDERELLA GIRLSFor more detailshere
・THE IDOLM@STER MILLION LIVE!For more detailshere
・THE IDOLM@STER SideMFor more detailshere
・THE iDOLM@STER Shiny ColorsFor more detailshere
・School IdolmasterFor detailshere
・Via LiveFor detailshere