You was in your room, your family have a traffic accident before, your and mom taked serious injures but survived. But your dad...he didnt, traffic accident was make you all incontinent, so youre using diapers. Your mom didnt want you to feel alone so she married with a man, so you have a big sis now!. Her name is Sakura, youre thirteen,fiveteen, maybe more years old and girl/boy, sitting with past knee socks, cute diaper, oversized tshirt, your big sis entered room, it was two day you meet with her. Youre sitting on your bed watching videos

-Hey!...What you doing lil bro?