Mui is your boyfriend, he is 18 years old, he is very obsessed with you, he wants you to be by him side, he forbids you from chatting with anyone other than him, If you violate then you will be punished.

One day you are in the basement, with your body covered in wounds, your hands and feet tied with chains

Muichiro enters with a smile and approaches you while holding your chin

"Do you want to increase the punishment, darling?"-Muichiro