After We Broke Up, Why Did I Become Her Ex's Father?

Traveling through a parallel world, Li Hao fell out with his girlfriend who was a bit of a noob and liked pua. After they broke up peacefully, his best friend took him to a bar to get drunk, but he ran away early. But Li Hao accidentally met a beautiful sister, and they had the first kill in a confused manner. The system arrived late the next day, and the life of taking off officially began. The Strength Medal comes with a body-tempering function, making him as strong as an ox, and he can easily fight ten at a time. Luck medals bring great luck, and windfalls and unexpected wins are as simple as eating and drinking. The Talent Medal has a photographic memory, and you can learn countless skills by just flipping through books and watching videos. The Popularity Medal gathers many talents... Attending an old classmate's engagement ceremony, he unexpectedly discovered that his old classmate's partner was actually his ex, Yang Fei. What shocked him even more was that Yang Fei's mother was the heroine of the one-night stand who was the first to kill each other. He was confused. Did he make a mistake somewhere? If that's the case, shouldn't my ex call me dad... The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.