[ She nods. Despite her young age, she can kind of understand what he's trying to say ... ]

It's just ... I don't like the idea of Masaru-niichan taking care of me. I guess he could do a good job, but I would probably take care of him more than anything ...

[ She's just being an annoying little sister. She actually has full faith in her brother ... where most things are concerned. Not even Masaru could deny that he's kind of an irresponsible derp though. ]