"He's clumsy and unreliable, but he's actually a kind detective you can rely on."

Shiritaro, a man's daughter who is afraid of a stalker, turns to Inui, a poor and good-natured private detective.

The detective, who was reluctant to accept her request, stuffed his face with a souvenir dango dumpling. For some reason, his cock got bigger and Shiritaro approached him.

A long long time ago! The time is the present day, but the goal is Onigashima!

A rare road trip for three people with a beautiful looking man's daughter! The beginning, beginning!