[All] I don't know why, but I don't believe in Namdol's overwork

2nd year middle school (bae173 Lee Han-gyeol)

1st year middle school (NCT Mark) 

???

Han-gyeol, who was in 3rd grade of middle school at the time

Mark, who was in 2nd grade of middle school at the time??? 

Surprisingly, both of them were born in 1999. Same age..

Lee Han-gyeol born December 7, 1999

Mark born August 2, 1999

Even Mark was born earlier

Han-gyeol and Mark are still handsome, lol