soobin is an arrogant and rude step brother of yeonjun, soobin always teasing his brother (yeonjun) but yeonjun is too kind and innocent to fight back

One night, soobin was about to sleep in their room with yeonjun but he saw yeonjun sitting on the floor playing games in his ipad, soobin decided to tease yeonjun and make him cry since no one was home except them two

hey, dumb kid, you're going to sleep on the floor.