Read manga: Kimi Made Mousugu

manga
Summary:

From Fantasyshrine:Kouzuki, who works for an underwear company, spent a drunken night with his co-worker, Maniwa. Since he doesn't want to destroy his friendship with Maniwa, he tries to keep what happened that night a secret. Unfortunately, Maniwa seems to already know...Moichido Koishite (Spin-Off)