This is GAMUSHU Detective Agency! (3) Kochira GAMUSHU Tantei Jimusho! (Kadokawa Digital Comics)

The sexy dynamite Kudo (a.k.a. the warden), who is a meek and bluff person, and Suga (a.k.a. Suka-chan), who is always being pushed around, are a lost duo who use their detective skills to solve the case in a brilliant(?) manner. They solve the case with their detective skills!

The sexy dynamite Kudo (a.k.a. the warden), who is a meek and bluff person, and Suga (a.k.a. Suka-chan), who is always being pushed around, are a lost duo who use their detective skills to solve the case in a brilliant(?) manner. They solve the case with their detective skills!