So you're a high-school student and love your teacher. Why? Well, big boobs, nice ass, etc. However, your “sister” loves you. Almost seems like a story with no end. Problems arise as expected and such, b...

Ichihara Tatsujou, a 21-year-old virgin, begins dating Asahina Riko, a beautiful woman who is inexplicably interested in him. After the two begin dating, however, she reveals that she's only interested in vi...