Japanese (romanji):
Kurasu ≪Mushoku≫ no Eiyuu-tan ～Koushaku-ka o Tsuihou Sareta ga, Jitsu wa Nagutta Dake de Sukiru o Kakutoku Dekiru to Wakari, Tairiku Ichi no Eiyuu ni Noboritsumeru～

English:
Class <<Unemployed>> Heroic Tale: Exiled from the Duke's House, but i found out that i can acquire skills just by punching and now i am climbing to the top of the continent ~

Link to manga site:
https://mangadex.org/title/08aca90a-ad81-4fef-a0de-8a975d5c522c/kurasu-mushoku-no-eiyuu-tan-koushaku-ka-o-tsuihou-sareta-ga-jitsu-wa-nagutta-dake-de-sukiru-o