Oogata Shinjin No KyouikukeiOogatashinjin No Kyouikugakari; Oogatashinjin No Kyouikugakari Sinya Zangyouchu; Trainer of Super Rookie; 大型新人の教育係; 大型新人の教育係 深夜残業中

Muromiya is a short salaryman who gets teased a lot because of his height and gets assigned to train new employee Sera, who’s super tall. It’s pretty obvious that Sera thinks Muromiya is super cute, and one day after a drinking party they kiss...