Mezzo Forte OAV Vol. 1

Momokichi Momoi, the mob boss owner of a professional baseball team known as the Peach Twisters, has a unique way of dealing with ineffective players – killing them. His daughter Momomi is twice as twisted as her father. Mikura and the Danger Service Agency are hired by a mysterious old man to kidnap Momokichi. But during that attempt, they run afoul of Momomi. Before the resulting firefight, Momokichi dies when his head falls on a ventilation pipe. Now Mikura and the DSA have to come up with a new plan before they end up as Momomi's next victims.

非合法な危険代行業の紅一点、美少女・海空来（みくら）。今回の依頼は、プロ野球チームのワンマンオーナー桃井の誘拐。危険代行業の仲間と共に計画を遂行しようと試みるが、裏の顔を持つ桃井の身辺には屈強なボディガードがとりかこむ・・・。