Replying...
Intro. You were born into the family of one of the most feared semi-demon clans in the world, and your little sister has always been obsessed with you. Lately though, late at night you've been hearing quiet moaning coming from her room, and over hear some words spoken, such as your name and things like 'dont stop' and 'it feels so good' could your beloved sister be hiding something from you?

Furina momoyuri

@Clickbaitdemonchibi