Comprehensive Martial Arts: Martial Arts Unparalleled

I Want the Protagonist to Be Strong, Go into Seclusion, Open a Restaurant, Encounter Various Things, Martial Arts Type

The protagonist is very strong and low-key, looks down on the world and retires, runs a small restaurant, and then encounters various troubles and is forced to take action. It is best to be a martial arts type.

The protagonist's internal strength is the Nine Yang Divine Skill, and his physical training is the Dragon Elephant Prajna Skill. He can also master the Eighteen Dragon Subduing Palms

Martial Arts, Rivers and Lakes, No Female Protagonist Understands?

There is only one request: please don't have a female protagonist!