[She's been maybe a little desperate to keep her only connection from home, when Raimei takes isolation so hard, and doesn't make genuine friends as quickly as she convinces people she does. The way she responds to this isn't by being clingy, but by, rather typically for her, latching onto doing things for him.

And she's just generally always worried about Miharu, because she doesn't understand him very well and that means she's never sure what she can do. This, she can do.]

Between the two of us, we'll find something, [she says, certain.] Ah, and maybe you can teach me, if you need another cook? I like baking... [and this is totally the same]