To celebrate the start of the third season of the anime series Oshi no Ko, a promotional video has been released that looks back on the highlights along with six theme songs, including 'Idol.'

To commemorate the start of the third season of
[Oshi no Ko] Music History: Looking back PV [Looking back at the theme songs for seasons 1, 2, and 3] - YouTube
There are six songs used.
1st season OP: YOASOBI ' Idol '

1st season ED: Queen Bee '

2nd season OP GEMN '

2nd ED/Sheep Literature “

3rd season OP: Chanmina ' TEST ME ' (Streaming begins at midnight on Wednesday, January 14, 2026)

3rd season ED: Natori ' Serenade '

For the third phase, the ' Japan Nationwide Project [Children of the 47 Prefectures] ' was launched in May 2025, which will feature 47 original illustrations from each of Japan's 47 prefectures. Starting today, January 12, 2026, local visuals will be displayed in 100 locations across Japan.
🌟Posted in 100 posters across all 47 prefectures🌟
— 'My Favorite Child' TV Anime Official (@anime_oshinoko) January 12, 2026
TV anime [ #Oshi no Ko ]
To commemorate the broadcast of the third season, posters featuring local visuals will be displayed at 100 post offices in all 47 prefectures across Japan.
A total of 47 posters with images of each prefecture will be released in each prefecture.
Please take a look when you visit✨… pic.twitter.com/LNuBT5LpTY
©赤坂アカ×横槍メンゴ/集英社・【推しの子】製作委員会
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