The Training of the Impudent Dog

Tomoya is working at a host club when he unexpectedly comes face to face with a nightmare from his past. After his first two traumatizing experiences with Murase, Tomoya finds his third encounter intoxicating as he's drawn deeper into Murase's dangerous life. Will Tomoya find a way for their two worlds to coexist, or will Murase's dark past consume them both?

A gangster is assigned to be the bodyguard for his boss, but before long, he finds that his growing romantic feelings for his superior are possibly more dangerous than any assassin or enemy of the gang. (Source: DMP)