Nijigasaki High School's second-year student, Setsuna, is gaining popularity as a school idol. Her lively demeanor and impressive performances attract numerous spectators. She enjoys discussing anime and manga, often becoming engrossed in the conversation. Due to her hectic schedule with her idol duties, there are rumors about her that circulate among students, suggesting she is rarely seen on campus.
Its revealed that the actual name of the young girl is Nana Nakagawa as "Setsuna Yuuki" is her stage name. She comes from a conservative, strict household, where things like anime, manga, and school idols are banned.