Junai Dropout

Kurokawa, a regular at the coffee shop owned by the gay Kishi, is a straight salaryman with a refreshing personality. Kishi, who secretly has feelings for Kurokawa, ends up having sex with him on a stormy night in the heat of the moment?! Now he's starting to get caught up in the gap between Kurokawa and his lewdness!

(Source: Takeshobo, translated)