Zettai Fukujuu Saimin Appli ~Akogare no Senpai wa Boku no Ayatsuri Ningyou~

Hiroyuki Kawamoto fell in love with a girl from a private women's academy named Riya Mitsutani. She was good at everything, both in sports and in studies. Of course, Riya had many suitors, because a fifth-size chest is hard to miss. Hiroyuki is by nature too gloomy and boring, and of course, he had not the slightest chance to please her. One day, returning home from school, our hero saw Riya Mitsutani with some completely ordinary guy. His blood froze with hatred - How could she date such a guy? Soon Hiroyuki found a strange MP3 player that had properties of "Mind control" or simply mind control/hypnosis. He decided to use the player to seduce Riya-chan and make her his sex toy...