Heroine Profile 8

Newspaper club president Fushikage Fumiya is investigating a series of mysterious changes occurring around his school. He suspects that an unknown individual is using a reality-altering app to transform students into succubi. During his investigation, Fumiya falls victim to the very same app and is transformed into a female succubus named Yoyonaki Fusa. Compelled to write a detailed report about her new physical experiences, Fusa is overwhelmed by her altered instincts. She ultimately succumbs to her new desires, ending up as a devoted follower of the app's user.