"Hul, OOO (name of student in blue sweater). The entire group has 10 people but (she) makes it look like there's 13."
"Retard, you're in high school? ****, you're the bastard who hung up first because you were scared ㅋㅋ Retard can't even swear properly, retard ㅋㅋㅋ Retard, retard, hahahaha, you're such a retard, so pathetic, I feel so bad for you bitch"
"****, I'm looking into where Yongsan High School even is, you bastard ㅋㅋ I know some ****ing people, alright? Just wait, you retard ㅎㅎ I'll get there and beat you and rip your uniform apartㅎ"
"You're motherless, aren't you, you motherless retard ㅋㅋㅋ"
How??