Yotsuba Kominato's first full-scale drama AV! Riho, a female college student who moved to Tokyo from Nagasaki and lives alone for the first time. One morning when I was getting used to college life... When you wake up, there is a strange boy (Kenji) next to you! Riho is attracted to Kenji, who is stubborn and pushy ... From that day, my naughty living life began. Youth reality work of couple climbing adult stairs.