Chapter Summary: Meet Yukinari Sasaki, an average high school boy who has extreme gynophobia--and an allergic reaction when girls touch him. One day he befriends an girl named Miharu, who comes from a planet whose population is 90female. Remarkably, Yukinari is able to touch Miharu without breaking into a rash! He returns to his own world, accompanied by Miharu, but shortly thereafter, other girls follow them to his world...and his life turns into a one big mess.