I can improve the quality of my abilities

【Invincible + Funny + Daily + No Sword】

China can no longer accommodate him, so he is thrown abroad. The protagonist does nothing, charges for toilets in the school, sells the school online, steals classmates' red bellybands, cheats black market swindlers, robs the black market, carries a sack to catch strange beasts, sells the superior's car, and then goes abroad to cause trouble.

What? You have SSS-level superpowers? Sorry, all my superpowers are above SSS, and I can improve my superpowers to above SSS.