It Turns Out That Love Is the Bitterest Sweetness

Mu Mu, who had been hungover all night, covered his head with a splitting headache and slowly opened his sleepy cat eyes. What he saw was the off-white ceiling. "Where is this?" Mu Mu looked at the unfamiliar decorations in the house. I remember she was drunk alone last night. Why did she wake up in a strange room? At this time, the door was pushed open from the outside...