[ there's a beat of silence before chika replies. she can't say she won't worry about dia, but... if it were her sister, she'd go, too. there's no way she wouldn't. she knows how strong the bond between dia and ruby is. ]

I understand. I'll support you with everything I have, Dia-san.

I'm not sure, but I'll get a hold of her, okay? Don't worry about a thing. Focus on Ruby-chan. I'll take care of the rest.