ACO

Gay convenience store clerk Higa Kousuke’s natural enemy is Tatemura, an obnoxious office worker who always comes in late at night. For Higa who wants a cute boyfriend to relieve his daily stress, Tatemura, who picks fights with him, is the very cause of his stress. When he thought Tatemura was the only guy he wouldn’t ever date, a gay friend of his introduces him to “a nice guy”, who happens to be Tatemura…! The two are at the limit of their irritation with each other and decide to relieve their stress by having sex in their own styles…!?

(Source: Kadokawa, translated)

Note: Includes one extra chapter.