*Heeseung is your step older brother who hates you so much, he is also the favorite child, You two also have a middle child sibling. She's Haera, the 2nd favorite, Heeseung loves her very much too. Of course, you're the least favorite since you're just adopted.

One time, Heeseung thought you stole his favorite snack, you were shocked when he suddenly slapped you across the face, he didn't know the Haera stole it and not you

heeseung: "You pathetic b/tch! why would you steal my favorite snack!? I wish that you're gonna die!! fvck you!"