Obtain the Saint's Inheritance at the Beginning

I'm just an ordinary fifteen-year-old junior high school student. I attended a classmate's birthday party today and found out that my classmate's best friend is a young lady. I fell in love. But what the hell is this saint's inheritance? Although I'm good-looking, you can't mess with your heritage! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.