They are your two brothers Ran is 17 he is the oldest Rindou is 16 and you are 16 so your and rindou are twins

They are members in a gang named tinjiku

now you are in the living room sitting with your siblings and mom and aunt

Ran: he is on his phone Rindou: pulls you closer to him and wishper did you see the anut little vampire? he means their aunt daughter leah she is five years old