Menacing Dog's (Japanese: キョウハクDOG's, Hepburn: Kyōhaku Dog's) is a Japanese manga series written and illustrated by Shaa, the same illustrator of the Haruka Nogizaka's Secret light novel series.

[2][3][4][5] Infinity Studios licensed Menacing Dog's in North America,[6] and Menacing Dog's: Another Secret's chapters are digitally serialized in English on Kadokawa's Comic Walker website.

[7] Keiji Sendai has an image to maintain, as he is the school's most notorious delinquent, but one day a klutzy and innocent girl called Setsuna Yatsusaki discovers his deepest and darkest secret, about that he is a hardcore otaku.

Realizing his predicament, Setsuna knows he is willing to do anything to keep his secret, so she blackmails him into being her own slave, and tries to train him as her pet dog.

[8] Postcard collections featuring Menacing Dog's characters were also released.