In the Beginning, He Entered a God-Level Nursing Home, and in the End He Became an All-Around Wizard!

Dressed as a trash licker in a world with super powers and high martial arts, I moved into a nursing home full of big guys and managed to survive, but because I was too handsome, I was forced to train by my roommate's ninety-year-old man. I trained continuously in fighting, shooting, and refining medicine, and finally became an all-around genius.