The plot is hammered to holes, but in Japan the topic of "hypnosis" is still in demand. The protagonist of the story, a guy named Yuma Oda, receives a super application on his smartphone called "hypnosis". The hero, of course, does not believe in miracles and tries the application on his fellow students ... Yuma does not believe his eyes, the application really worked! Later, the hero learns that he has become one of the application testers from the succubus "Aryume Rina". Yuma chooses an extravagant classmate Fujimiya, who is famous for her cocky character, as his main goal. He decides to make her his personal sex slave ...