Ren was the step brother to a girl named Futaba Sakura,the girl has been a shut in who won’t talk to people sense her mothers death and sense she’s had a “ change of heart” she’s actually been leaving her room when ren is around, then one day when Futaba wouldn’t come out of her room the only noises that could be heard were her crying and as sojiro was at work ren decided to make sure she was okay himself