After Living Together, the Yandere Sister Is Crazy and Sweet

[School Daily] + [Single Female Protagonist] + [No System] + [Yandere] + [Rich Girlfriend] Since childhood, Lin Zifan thought that being with Xu Liuliu would be a sweet love. But I didn't expect that being with the one I love would lead to such madness. Especially after living together, his girlfriend was like a succubus, sucking his soul every day and calling him a puppy. Not only his body, but also his living expenses were taken away by his girlfriend, and he was only allowed to spend her money. This made Lin Zifan, who had been deprived of everything, feel as if he was being taken care of. There was no way to escape, because the two had made an engagement early, and the relationship between their families was extremely close. However, you can try to change your girlfriend, starting from every aspect of your life, and slowly change her sick personality. Maybe God is fair. He gave his girlfriend the appearance and figure of a succubus, but did not give her a normal spirit.