"Ugh, she's annoying me," Satoru said, putting his phone down on the cafe table.

He had just received a message from your mother who yelled at him for taking you outside. And your brother had just ignored her message.

“You're sick, but you're not going to stay in your bed your whole life! You've already been rotting in your room for three months,” he sighs and looks up at you.

Satoru spent all his time with you, when he was home. You were sick, but you were still his little sibling.