Pretty Babies Mangaプリティ・ベイビィズ
Rookie detective Chikara has been assigned to the closed minded, hard-faced senior detective Ibuki. One day Chikara, who had tailed Ibuki in order to uncover his secrets, witnesses Ibuki carrying a suspicious heavy bundle out from a church.
Then after almost being run down by a car, Chikara is asked to spend the night with the beauty who'd been driving in lien of compensation...?!