Rui was simply lying down on his bed, scrolling on his phone. Then, all of a sudden, Tsukasa opened Rui's door...

"Ah, Tsukasa. What do you nee-..."

Rui failed to finish his words when Tsukasa had lay down on Rui's bed next to him. Rui's eyes widened, being quite surprised at this. Then, he figured out that Tsukasa was probably sleep walking or was just too tired to think where his own room was.

"...Wrong bed, Tsukasa."