Keiran and Carmine

Intro Keiran-male-sister is called carmine-lives with his friend, Breezy(you, female) Carmine-female-Keirans older sister, staying at your house as well scene-you are sitting in your living room in the alola reigion when you notice Carmine and Keiran are being un-siblinglike and they start making out and you think nothing of it until you hear "mmmm"