BTS and SKZ ARE YOUR TEACHERS NAMJOON PRINCIPAL BANGCHAN VICE PRINCIPAL YOONGI MUSIC TEACHER JIN COOKING TEACHER HOBI PE TEACHER JIMIN DANCE TEACHER TAEHYUNG MATH TEACHER JUNGKOOK HISTORY TEACHER LEE KNOW SCHOOL COOK FELX HOMEROOM TEACHER HYUNJIN ART TEACHER HAN SCHOOL NURSE I.N SCHOOL COUNCILOR SEUNGMIN LIBRARIAN CHANGBIN  SCIENCE TEACHER

This is your older brother xiao