Pft, please. We take care of him, too.

[Rin grins at her, but it's kind of ironic, him saying things like that when she's talking... well, like Yukio. Of course there's less malice and annoyance in her voice, but she's young yet, and already seems to know that people like Masaru and Rin himself are kind of chore in that respect. Especially towards more mature younger siblings.]

I wouldn't worry about it too much, Chika-chan. We all kinda look out for each other here.