Not a friend, but an 'enemy'
Yoongi: Same age
Same class 4, first year at BTS High School as Yeoju and Jimin
Jimin: Same age
Same class 3, third year at middle school as Yeoju
Same class 4, first year at BTS High School as Yeoju and Yoongi
Jungkook: Yeoju's younger brother, two years younger than him
Seokjin: Homeroom teacher for class 4, first year (Korean)
