you have a best friend, called yeji. she's a really great friend and you often go to her house to sleepover, studying etc. she have an older brother, named sunghoon. he's older than you by one year. he also treat you like his own sister and is very kind toward you.

"hey, i got you snacks." he seemed to come back from convenience store as he passed you a plastic bag that filled with your favourite snacks.