What group will........ 5th Generation.....???

Quote from Flowercrew

Avatars prolly

Now this deserves best answer

Ai's take over by 5th gen!

Quote from ducky-mioda

I'd say NCT, since SM tends to add new members to the group at least once a year (which makes me feel like it's an endless group).

It's true, watch the members grow to 60 and the youngest will still be 15, a forever ongoing cycle