Series synopsis
Tamon's B-Side, also known as 多聞くん今どっち！？ is a Japanese animation comedy television series that premiered on Tokyo MX on January 4, 2026. It ended on March 29, 2026. It stars Saori Hayami, Kakeru Hatano, Shoya Chiba and Tasuku Hatanaka.
Utage Kinoshita is a high school girl who works part-time as a housekeeper. She has devoted her life to her favorite idol, Tamon Fukuhara, from the group F/ACE. Then one day, Utage ends up being assigned to Tamon’s house! There she discovers that off-stage, he is nothing like his wild idol persona. A gloomy, introverted boy with no self-confidence, Utage still finds herself falling for him anyway.
Premise
Utage Kinoshita is a high school girl who works part-time as a housekeeper. She has devoted her life to her favorite idol, Tamon Fukuhara, from the group F/ACE. Then one day, Utage ends up being assigned to Tamon’s house! There she discovers that off-stage, he is nothing like his wild idol persona. A gloomy, introverted boy with no self-confidence, Utage still finds herself falling for him anyway.
Cast and characters
Leading cast
- Saori Hayami as Utage Kinoshita (voice)
- Kakeru Hatano as Tamon Fukuhara (voice)
- Shoya Chiba as Ouri Sakaguchi (voice)
- Tasuku Hatanaka as Keito Tachibana (voice)
- Kohei Amasaki as Natsuki Ishibashi (voice)
- Ryuho Nagaoka as Kai Rintarou (voice)
Episodes
This series spans 1 season with 13 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 13 | January 4, 2026 | March 29, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
You Need Money to Support Your Oshi Utage is a huge fan of Tamon from F/ACE and one day, her work leads her to an unexpected meeting. |
January 4, 2026 |
| 2 |
Do You Like Me? Utage goes to F/ACE's handshaking event but something unexpected happens. |
January 11, 2026 |
| 3 |
You're One of Those Insane Fans After dropping her F/ACE fan, Utage heads to Tamon's place and finds an unexpected visitor. |
January 18, 2026 |
Production
Release
| Original network/platform | Tokyo MX |
|---|---|
| First aired | January 4, 2026 |
| Last aired | March 29, 2026 |
| Runtime | 23 minutes |
| Status | ended |
| Schedule | Wednesday at 00:00:00 |