Shijou Saikyou no Deshi Kenichi - Season 1 [Sub: Eng], Episode 13
Trailer
The life of an ordinary 15 year old guy, Kenichi Shirahama, who struggles against the abuse he receives, has been changed upon meeting aq beautiful girl, Miu, who advises him to join a famous house of teaching fight principles, Ryozanpaku, which is run by her grandfather and other experts of fighting.