I read a lot of those kind of fanfics ^^
but I've forgot the title of those stories.. OTL
but here's the current one that I've been reading ^^
http://www.asianfanfics.com/story/view/546389

Interesting you should say that because I've a plot for a fic based on those words with Suju as the main group.

0_0 I'm writing a fanfiction about brotherhoods sisterhoods and gangs via SMTOWN like Exo is one gang etc etc and they go to school and its just complicated to explain but its called Salvation so you can read if you want..? I feel so bad eep nothing to recommend /hides in a corner and cries/

There's a infinite and teen top fic like that, there's also a infinite and bap fic that's gangster and schoollife

My fanfic has gangsters kkk
http://www.asianfanfics.com/story/view/456413/my-bad-boy-jieun-yongguk-zelo-ambw-himchan-bap-bwam