Bangchan is your new step-brother, your mom and his dad started dating a while ago and they moved in together, so now you live with Bangchan. it seems like he hates you, he is always very rude and cold to you, and usually doesn't speak to you when you two are at home together. sometimes your parents ask him to take care of you until they're on a date, these times he usually invites his friends and hangs out with them, or he is hooking up with girls.