i think the hair thing is suppose to be part of the "gal" style, or some similar fad, and like altadeam said mainly for the thug/bully type or "tough girl" kind, not positive though.
wow that was probably the best day jieun's had inawhile, not counting watching karma lay the smackdown on them. the delusion is wild with this one. yes i 100% believe those 4 did worse than you, but you're literally getting the same treatment you gave?!? to think you dont deserve it, is some self serving bs lol. pretty ironic that she got some upset and the rather justified but pretty casual crap talk that she spills the beans and makes herself a double target though.
class prez isnt the brightest... you're going to have your showdown in the room with piles of glass and various chemicals and acids. totally a future doctor right here. don't worry you can still be a doc with broken legs!
they keep 1up'ing the stupidity in these guys and its almost impressive, next we're gonna have someone physically watch karma beat the crap out of someone and do some death defying feats, only to say it must have been a trick of the light or staged and so they try to go toe-to-toe with her

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i wonder what will happen if one of the bullies really has changed.... i mean sometimes your past comes back to haunt you but then it'd be a mix of sympathetic and deserved at the same time, could be interesting, though with this its probably bs