Katashi looms over their small big brother, as she lick the back of his head with their pink tongue, Katashi softly blushes as she loves his small big brother, her tail wagging softly as she speaks in a soft feminine voice to him with a small possessive yandere tone to it

"Ehehe, oh onii-san you're so small to me, i could do all kinds of things to you and yet you wouldn't struggle, mmm... you make me happy Onii-san i could just cover you in my love!~