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Series poster for Tamon's B-Side (2026)

Tamon's B-Side

2026
1 Season • 13 Episodes
Director: Chika Nagaoka
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Overview

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

Reviews

3 min read
AI-generated editorial review
The God of the Living Room

I'm still not sure when the concept of the "oshi" — the chosen idol you dedicate your time, money, and emotional bandwidth to supporting — went from a niche subculture behavior to the defining mode of modern fandom. It's a fascinating, slightly terrifying dynamic. You enter into a one-sided contract where you agree to love an illusion, and the illusion agrees to never break character. But what happens when the mask slips, and the god you've been worshipping turns out to be a pathetic, anxious wreck shivering in his own apartment? That's the central joke of Tamon's B-Side, a thirteen-episode anime that functions as a high-speed screwball comedy before the floorboards give way to something surprisingly tender.

The neon-drenched stage of an idol performance

The setup is classic shoujo convenience. Utage Kinoshita is a sixteen-year-old high schooler whose entire existence revolves around Tamon Fukuhara, the fiercely confident "wild" member of the rising boy band F/ACE. To fund her obsession, she works for a housekeeping service. (You can see where this is going.) A coworker calls out sick, Utage takes a replacement shift, and she ends up standing in Tamon's famously messy apartment. Except the guy slouching in the darkness isn't the smoldering pop star she has plastered all over her bedroom walls. He's a hunched, baggy-eyed neurotic who literally sprouts imaginary mushrooms from his head when his self-esteem bottoms out.

J.C. Staff handled the animation, and they leaned hard into the visual whiplash. They understand that the comedy lives in the sudden, violent shifts in posture. Watch the way Tamon moves when his manager triggers his "idol mode." His spine snaps straight, the heavy bags under his eyes vanish into a warm gradient, and the framing suddenly glitters with digital sparkles. It's a tactile representation of a trauma response disguised as professionalism. And then there's Utage. When she short-circuits from proximity to her idol, the animators don't just give her a standard blush. Her head literally explodes into a geyser of pink blood and hearts, leaving a pixelated stump where her neck used to be. It's grotesque, hilarious, and completely accurate to the feeling of acute adolescent embarrassment.