Mayuri
Mayuri teaches home economics at the same school where Ririsa and Masamune study. She's also the faculty advisor for the school's cosplay club.
She's known for being strikingly beautiful and attractive. Back in the day, she was actually one of the four "goddesses of cosplay"—a pretty big deal in that community. But she stepped back from the spotlight for a while because she worried that her cosplay hobby would tank her teaching career and damage her reputation as a respectable member of society. It was a voluntary retreat, basically, driven by genuine concern about how people would perceive her if her interests became public knowledge.
Content compiled by AnimeList.moe from publicly available sources.
