Service Shitara Doutei Inkya ni Natsukareta

Kurata, an office worker, discovers by chance that he has a talent for butts and starts working as a call boy as a side job. One day, while enjoying a one-night stand, the customer who requested him turned out to be a total introverted virgin who kept making negative comments! Kurata provided such a partner with the best first experience as a professional. Because repeat visits are not allowed, he thought he would never see him again, but then that nerdy guy turns up as a handsome elite..!?