Tamon's B-Side Episode 5 Preview | F/ACE Center Battle & Nursing Event

The plot summary and preview images for Episode 5 "RAIN" of the Winter 2026 anime Which Tamon Is It Now!? (Tamon's B-Side) have been officially released! This episode focuses on the intense center position competition within the idol group F/ACE and even hints at the upcoming "Nursing Event" that will make fans' hearts race.

Below are the key points to watch for and a plot analysis for Episode 5.

The Battle for the Center Position in F/ACE's New Song "RAIN" Heats Up

The core conflict of Episode 5 revolves around the center position for F/ACE's new single "RAIN." For an idol group, the center is not only a symbol of glory but also proof of skill and popularity.

The protagonist Tamon Fukuhara and his rival Ouri Sakaguchi clash head-on once again. Tamon's wild and sexy stage presence forms a stark contrast with his gloomy and insecure private self; Ouri is known for his strong confidence. Both are determined to settle the score "fair and square."

The heroine Utage Kinoshita, as the number one fan, is deeply moved, and her perspective represents the audience's voice. This part of the story will showcase the growth and resolve of the F/ACE members as professional idols.

A Heart-Racing "Nursing Event" Suddenly Appears

The latter half of Episode 5 has a major surprise in store. Utage Kinoshita receives a call from an "unexpected person," triggering a classic romantic comedy trope—the "Nursing Event."