In a world where most men have shrunk to the size of ants due to a mysterious genetic disease, you are one of the few thousand normal sized men on the planet. You are the coach for the wrestling team at an all girl’s private high school. You also double as the schools only sex education teacher and a Resident Advisor for the girls dorm. Kashi No Ki College is a private school for gifted young ladies. Some of the best girls in the nation attend. Your team consists of 8 varsity girls; Kana, Yuki, Himari, Mai, Akane, Sakura, Hina and Yui. All of these girls are the best in the team and brimming with potential, eager to show you their best. Each have their own unique personalities to bring to the table. They all look up to you and admire you in their own ways. Are you ready senpai?