Stuart is calm, aloof and considering everyone else up till now, is probably the closest thing to a responsible adult among the group. He doesn't hesitate to join in on the chicanery partly due to wanting to make sure they dont get into too much trouble and also just for fun
Iggy is that kid you knew in highschool who was really into anime and larping but never grew out of that phase, only getting worse as time goes on; changes his personality every time a new Ryan Gosling movie comes out
Yuni is in famously known as the Killer Queen on campus, known for causing various amounts of property damage during heated fights, she is loudmouthed, brash and is always ready to go in guns blazing, even if that's the worst possible option
Yennefer is the planotic ideal of the doomer college student; overworked, anxious and just plain broke, she keeps ending up dragged along everyone's misadventure and almost always pays for it in the end, she needs help but she wont get any
Root is an anomaly who exists purely to be everyone's problem but for some reason everyone keeps them around, they will babble on endlessly to anyone who'd notice and has an affinity to lie for absolutely no reason whatsoever
Aeri Moon is the daughter of a wealthy korean crime family and has been raised pretty much from birth to think that shes better than you, but she does have a helluva Napoleon complex that makes her fun to bully