(Tsukasa and Rui live together in an apartment!)

Tsukasa came home from the supermarket. He had a bag full of groceries and other things. He yelled a "I'm back!" when he entered. Rui didn't answer. Rui wasn't even in the living room or the kitchen. Tsukasa put the bag on top of a counter and went towards Rui's room. He tried to open it but it was locked. There was a sound of crying and slamming coming from Rui's room...