Loops {707 x Reader}

Y/N and Seven have been bestfriends ever since they were little, yes childhood friends. Y/N was homeless, so she was in an orphanage and played with Saeyoung when they went to church. Saeyoung has never introduced Saeran to Y/N, so she doesn't even know if Saeyoung even has a twin. But one day, Saeyoung dissapeared...