Volume 1 - Seiji Tajima is a single, forty-something shop owner who's close friends with police officer Shin Nakamoto. Shin, who's just been assigned a patrol in Seiji's neighborhood, has known the older man...

Mirai, attends an all girls high school and hates irresponsible and delinquent type of guys. What happens when Midori, that is known as a delinquent, asks Mirai and her friends to go to a mixer.