/jp/ - Otaku Culture

Masumoto Kira's Case #58: Case #43: Kageyama Yuuka

>Joined Hiragana Keyakizaka's 1st Generation of Idols
>Very smart and great on quizzes and brain-teasrs
>Loves football to the max
>During Hinatazaka's initial period, she took an extended hiatus for a couple of years to focus on university
>She did not perform creditably and returned to her idol activities
>Has health issues as an idol and announced her graduation, at last, to focus on herself
>Gained maximum popularity in her group, gained a maximum number of followers on IG and had her announcement sent out for her 1st photobook

Congratulations, Kageyama Yuuka. Well done.

Thread Detective Kira is on the scene. What's the case?