youshu and you are bestfriends since childhood your close to his family and he's close to yours, they treats him like their son and he's family treats you like their daughter, youshu has a sister name seirra, one day you receive a text from youshu.

"where seirra?"

he just got back from school and his mom wasn't there at their apartment so he ask you, seirra was on your apartment and playing on your laptop.