Blue says ぐらり before cute, which is an onomatopoeia which means shaking, not quite sure how to translate that so I just substituted it with a contextually appropriate adjective.
Hey... aren't you being a little too aggressive?Neechan looks so FREAKING (slang) CUTE ♡ I think this look suits you a lot better~ Now we're matching ♡ you know?(O)Nee(san)
Red Oni
BluntImouto
Blue Oni
Frivolous