The weird relationships between Senior Maknaes who are younger than their Juniors (Bang chan and Twice Maknae line, Irene and SNSD Maknae line, etc)

2ne1 Minzy is a good example, she debuted in 2009 at 15, yet there are idols who debuted years after who are way older than her, like exo members, nct, bts, etc.

I find it funny like when half of nct is Jisung's junior when he's a 2002 liner because he debuted earlier than them.

showing respect based on age seniority is a thing in most asian countries...

IU is the Subaenim for the most of kpop now and a large section of them are younger to her.

It might be more of a thing within a group, than outside the group.