I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too — S1 E10 - Master and Apprentice

Yuuya gets an offer to join the entertainment industry. His friends are stunned to learn that he’s already had a brush with that life. In the other world, Yuuya’s leveling up plateaus and he wonders if he’ll be able to get any stronger on his own.