The official website for Tamon’s B-Side (Tamon-kun Ima Docchi!?) recently streamed the anime’s first promotional video, revealing additional voice cast and staff members. The video also previews the insert song “Supernova” performed by the in-story idol group F/ace, generating excitement among fans ahead of the series’ premiere in January 2026.
Manga Background and Recognition
Created by Yuki Shiwasu (Takane & Hana), the manga debuted in Hakusensha’s Hana to Yume magazine in October 2021 and is based on an earlier one-shot. Viz Media licenses the manga in English.
The manga has received critical acclaim, including a nomination for Best Shōjo Manga in Kodansha’s 47th annual Manga Awards (2023) and ranking #9 in Takarajimasha’s Kono Manga ga Sugoi! guidebook for female readers, the same year.
Newly Announced Cast
Several new voice actors were revealed, including:
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Masaaki Mizunaka as Wataru Fujita
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Takako Honda as Izumi Shiraishi
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Saya Fukuzumi as Yuina
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Yurika Hirayama as Riko
These additions expand the ensemble, highlighting the anime’s mix of comedy, drama, and idol-themed storytelling.
Key Staff Members
The production team also grew, with new staff supporting the animation, music, and art direction:
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Chief Animation Directors: Mitsuru Chiba, Airi Tsuyuki
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Prop Designer: Moe Fujii
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Music: Takashi Ōmama, Natsumi Tabuchi
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Art Director: Li Yu
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CG Director: Ayaka Momma
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2D Design: Makoto Yoshigaki
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Compositing Director of Photography: Soyaka Aoyagi
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Colour Key Artist: Miho Kimura
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Editing: Michi Takigawa
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Sound Director: Fumihiko Ōtera
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Sound Effects: Sachiko Nishi
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Sound Production: Rie Tanaka
Main Staff and Production
The anime is directed by Chika Nagaoka (Uta no Prince Sama Maji Love Kingdom) at J.C. Staff, with Chiaki Nagai overseeing the series scripts. Character designs and chief animation direction are handled by Yōko Itō, known for Love Stage!! and Skate-Leading Stars. The series is produced by Shochiku, King Records, and Hakusensha, ensuring a high-quality idol anime experience.
Main Cast and Story
The main voice cast includes:
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Saori Hayami as Utage Kinoshita
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Kakeru Hatano as Tamon Fukuhara
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Shōya Chiba as Ōri Sakaguchi
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Tasuku Hatanaka as Keito Tachibana
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Kōhei Amasaki as Natsuki Ishibashi
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Ryuuho Nagaoka as Rintarō Kai
The story centres on Tamon, an insecure singer on the brink of quitting, and Utage, his devoted fangirl who refuses to let him give up. The series blends comedy, music, and heartfelt support in a high-energy idol setting.
What’s Next for Fans
With its January 2026 premiere, Tamon’s B-Side anime is poised to bring a mix of idol performances, comedy, and heartfelt moments to audiences worldwide. Fans can look forward to experiencing the full impact of F/ace’s insert song “Supernova”, engaging new cast members, and the talented J.C. Staff production team bringing the manga to life on screen.
