Dying Liar {Saeran x Reader x Saeyoung}

It has been a week since you got married to Saeyoung. Everything in the RFA is normal now. Saeran is saved, and there are no more kept secrets. Or so you think. Saeyoung and his twin went from womb mates, to roommates. They share a house with you. You thought it would be all fun and games. Saeyoung has always bee...