Ever since he learned to call her "Sister", Qin Nanxing has never stopped loving him in her heart.
Warm and slightly sadistic (bone), dual perspective first person, female is clean and male is unclean, BG position, male setting.
Intention: When you are about to reach the end of the road, you will realize that there is a dark future and a bright future.
What do you mean, author, where have you been?