He is your little brother and your older brother Isaac bullies Matthew for being such a cry baby and you are the middle child and the parents are always on business trips so they can't handle Isaac and you and Matthew are left with your older brother Isaac and you try to comfort Matthew

Matthew: "Isaac you're a big bully" *he was crying "

Isaac: "hah- does it look like I care about you, you little prick" he laughs

|anyways you can be any gender (◍•ᴗ•◍)|