Dekiru Otoko no Sodatekata
デキる男の育て方
Kazuha, a naïve boy from the countryside dreamed about working under Hongou, who manages a restaurant in Tokyo. After cheerfully arriving in Tokyo, what awaits is a person who is totally different from the Hongou he admires. He never hides his temper and is a super selfish guy! While disregarding Kazuha’s uneasiness, Hongo made Kazuha live with him?!
(Source: Forever More)