Mutation: I Want a Stable Life After Becoming a Girl

[It should be slow-paced, maybe more daily, changeable, not a harem, the protagonist is a little greedy, but has a coward, so Gou, the world after time travel is a world that has undergone changes. The cover is made by AI. There is a system (the kind that exists all over the world), but the system is created by a certain being. The function is to play a supporting role, and you have to rely on yourself to become stronger. The female protagonist, Zhou Han, is semi-straight at first (doesn't like men, including women) but later likes Bai Yu. "I'm Bai Yu. I used to have a good life when I was young, but because of an accident, I came to a brand new world, a world with a copy of Special Meow. And my birth point was a special coffin... Why is there a coffin in my house! I still got up from the coffin!" Bai Yu: "Hello, I'm Bai Yu. I like to eat melons and watch movies [Watch others being beaten (cross out) to ensure the safety of others, and help in critical moments], and then I like to pick up things everywhere and play with the remote control iron man!"