The Handsome Salesman At Work Is An Ideal Master

The handsome salesman Mitani suddenly appears before Yanase, a plain company employee working in the engineering department. While Yanase thinks they are a mismatch...in the face of Mitani's sadistic talents, Yanase if left with no choice but to become his doggy... The story of a plain salaryman who, while harboring feelings of inferiority towards his handsome and sadistic salesman colleague, does a good job of nonetheless being pampered as his masochist doggy.

(Source: DLsite)