There are four systems at the beginning. What happened to the scumbag Yidiandian?

After being in love with her boyfriend for five years, he took her mother's life-saving money. When she went to ask for money, she heard him say at the door: "What girlfriend? I'm tired of her. Feifei is my true love." "Compared with the innocent Feifei who just turned 18, I think she is a little dirty." "I will be able to get ashore soon. She doesn't even have a college diploma. How can she be worthy of me?" Faced with the questioning, her boyfriend didn't blush or beat his heart. When she asked him for money, she found out that the money was spent by him to treat her to a big meal. Li Moen was in a hurry to use the money. On the way to borrow money, she was stabbed eight times by a heartless murderer and died with hatred. A bug appeared. Li Moen accidentally bound four systems, the quick-travel system, the revenge system...