Taiyo Asano is a super shy high school student and the only person he can talk to is his childhood friend, Mutsumi Yozakura. It turns... more>> out that Mutsumi is the daughter of the ultimate spy family! Even worse, Mutsumi is being harassed by her overprotective, nightmare of a brother, Kyoichiro. What drastic steps will Taiyo have to take to save Mutsumi?! A spy family comedy - the mission begins! <<less

The manga centers on Poro, a demon from the underworld who comes to the human world.