Zed/Zedward is really just going to be partying and covering things in glitter as he parties, because no one has sabotaged him, and also his infiltration is thirteen. Look, see, he's blending right in because his overlay's a noted weirdo, are you people happy? He will create a terrible glittery deathtrap for an obstacle, because this is how he rolls.

Jules is going to get himself arrested if he tries to sneak into a school function, probably going to continue being a roving reporter and trying to get someone to actually let him into the castle or at least talk to him for an interview.

Hajime/Kurihara got challenged to find the identity of the saboteur since he's been hit twice and is convinced it's someone who is too cowardly to face him outright, and so he'll be poking around trying to do a little sleuthing of his own...but he's got all the subtlety of a brick to the head, so there is that. He'll probably spend at least a little time menacing any NPCs who might try asking his NPC sister to the Gala as well.

Sento has absolutely no desire to go to a dance full of teenagers and so he's probably going to end up at this dance...and if he can work up a magical page of differential equations the Champions have to get past, he absolutely will.