Hitozuma Kasumi-san / The Hills Have Size

Ryo decides to move in with his uncle to continue his education. Everything goes on as usual, until he meets his aunt Kasumi, when she goes about her personal business. This event leads to the fact that Ryo begins to have strong feelings for her and cannot think of anything else. Meanwhile, Kasumi's younger sister is immersed in her romantic fantasies about Ryo.

One day, Ryo drinks with his uncle and runs into Kasumi again, who continues to mind her own business, saying his name. This is where the dramatic, but at the same time romantic story begins.