I Haven't Gotten Serious Yet DX

Story:

Hermes is the fourth son of the Cano family. Although Hermes was said to be the downcast of his family, he was enjoying his life as an aristocrat, but by chance he inherited the family and became the head of the family!! He feared that he would no longer be able to live a leisurely life if he was expected and appreciated. He tries to hide his abilities in every situation, but…!? He is still the "strongest" head of the family, admired and respected by men who don't want him to be serious