To read - manhwa

Completed office romance boss x subordinate. Baby can’t get promoted. He’s been languishing as the most junior member of his team for years. When he gets a new boss, he’ll do anything to suck up to him and get noticed. But this new boss is awfully sweet and charming, and somehow, he even perfectly matches the love interest of the dating sim Baby’s playing...! If Baby can play the game right, he may just win both his way up the corporate ladder and into his boss’s heart!

Nam Joo Won is a high school teacher with a phobia of students. On the first day of classes, Joo Won runs to the faculty bathroom to find shelter from his students but encounters the class delinquent, Lee Tae Gyum. Why won't this kid leave him alone?