Asakura, a typical high school student, stumbles upon a surprising secret about the aloof class president, Reina, who she catches buying a gay manga. Intrigued, Asakura delves into the manga and finds herself experiencing unexpected sensations. Despite the angel's caution, the mischievous voice in her head tempts her to explore the desires awakened by the book. Thus, Asakura embarks on a daring journey of self-discovery and passion with Reina.