A Story About an Experiment to Find the Answer to the Question, What Happens if You Give a Girl an Erotic Hobby with the [Hobby Modification App]?

In the web novel 'A Story About an Experiment to Find the Answer to the Question, What Happens if You Give a Girl an Erotic Hobby with the Hobby Modification App?', high school sophomore Keisuke Sato stumbles upon the mysterious [Hobby Modification App] that alters the hobbies of five beautiful girls. Treating it like a puzzle-solving game, Sato unwittingly triggers unexpected changes in their interests, leading to unforeseen consequences. This adult, harem-themed story delves into school life and the complexities of relationships, catering to a seinen audience with tags like apathetic protagonist, mind control, and yandere characters.