Light Novel I'm not serious yet / Nazuna Miki Dash X Library

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Hermes is the fourth son of a noble family, who hides his real power that is too strong and is a master of the family. He lives as he pleases, and one day he is succeeded to the family and becomes the head of the family. He is expected from his gentle and beautiful sister Solar, but Hermes doesn't want to be the head of the family seriously. However, even though he hid his ability, he was the strongest! He accidentally beats a natural disaster monster, gets a very rare treasure without consciousness, and blows demons and dragons in an instant! He is respected by Princess Rina, loved by Kensei's granddaughter ミデア, and loved by Ortia who works at a cheap shop! The life of the strongest family head who is loved, loved, and respected by a man who doesn't want to be serious begins!