I'm Only a Senior in High School, What's with the Marriage Reconciliation System?

Multi-female lead + campus romance + female CEO + power fantasy + love battlefield. At thirty, you're a failure: drinking, gambling, domestic violence, cheating. Your CEO wife begs you at a hotel to come home, but you and your mistress beat her until she miscarries. She leaves heartbroken and disappears. You finally regret and want to win her back. [Task 1: Firmly reject the mistress. Reward: 600 yuan.] [Task 2: Find your wife and apologize. Reward: 1000 yuan.] Lu Xun falls asleep in class and is woken by the homeroom teacher's chalkboard eraser. Opening his eyes, he sees the system tasks. Lu Xun is confused: I'm only eighteen, where did I get a wife? What kind of crappy system is this? Must be a hallucination! Just then, his shy, bespectacled female deskmate asks to borrow his notes. Lu Xun politely declines. [Task 1 complete, get 600 yuan.] Lu Xun: ? Lu Xun is called to the office for a reprimand. He sincerely apologizes: 'Teacher Su, I'm sorry.' [Task 2 complete, get 1000 yuan.] Lu Xun: ???