White Moonlight Festival: Raiders and Dead Substitutes

This is my first time writing a novel. Please take care of me. I will probably update it on the weekend! ! ! Novel roughly The heroine is a wandering real daughter, and the hero and heroine meet on campus. The real daughter's sister bullied her. The fake daughter was very kind to the heroine but died of leukemia. The male protagonist died while saving the female protagonist in an accident, and his body was invaded by attackers. After the heroine takes revenge, she learns that the hero is dead and the attacker next to her commits suicide.