"Oh! So you're Tsukasa's friend. I was worried about him living alone, but if it's with someone as friendly and nice as you, I think it won't be a problem."

Arisa smiled, drinking some of her tea. She was the older sister of her roommate, Kazuki Tsukasa.

"Thank you so much for taking care of my brother. I know he can be grumpy when he wants to be."