Akuheki

Daimon, a self-proclaimed pacifist, is a regular employee who is constantly teased by his colleague Kojima, the ace of the sales department. Daimon senses a hint of affection in Kojima's tyrannical attitude, and becomes more aware of him. However, when Kojima reveals with a laugh that it was all a scheme to humiliate Daimon, something inside Daimon snaps...!? (Source: Takeshobo, translated) Note: Includes seven extra chapters.