The Tamon’s B-Side rom-com anime adaptation was on display during AnimeJapan 2025, bringing with it a pair of fun new previews. In addition to a character trailer featuring some of the main cast members, the official accounts shared a teaser music video for the series’ main vocal group F/ACE’s “F/ACE OFF” song. Tamon’s B-Side Character Trailer Tamon’s B-Side F/ACE Music Video RELATED: Tamon's B-Side Anime Reveals Teaser Visual, More Staff Tamon's B-Side 's confirmed cast includes: Utage Kinoshita voiced by Saori Hayami Tamon Fukuhara voiced by Kakeru Hatano Ouri Sakaguchi voiced by Shoya Chiba Keito Tachibana voiced by Tasuku Hatanaka Natsuki Ishibashi voiced by Kohei Amasaki Rintaro Kai voiced by Ryuho Nagaoka Based on the manga by Yuki Shiwasu, Chika Nagaoka ( Case Closed: The Fist of Blue Sapphire ) directs Tamon's B-Side at studio J.C.STAFF, with Chiaki Nagai ( 22/7 (nanabun no nijyuuni) ) on series composition and scripts and Yoko Ito ( Delico's Nursery ) on character designs and chief animation direction. VIZ Media publishes an official English version of the manga and describes the story: Tamon is an insecure mess in real life, and what’s worse, he’s threatening to quit! Utage refuses to let anyone stand in Tamon’s way—least of all himself. What’s a fangirl to do but roll up her sleeves and support her favorite singer with everything she’s got? Source: Official X (formerly Twitter) ( 1 , 2 )
