While each and every one of Takuma's classmates got powerful abilities, Takuma got Drilling (Hole digging).

Branded as useless, Takuma was driven out of the Royal Castle. While inevitably digging a hole, he chanced upon hot springs. With a great effort, Takuma was determined to run an Onsen. However, that Onsen included a cheat-like effect of raising stats upon entering--

He runs the Onsen while sometimes kicking his annoying classmates around.