Yeah I'm thinking Kasumi walks into this event arrogant and conceited like usual, saying it's just a bunch of Trinity students, push overs, she can easily manipulate and fuck with Ichika like usual

Nagisa or Hasumi shows her what true crazy looks like, Kasumi swears off messing with trinity for awhile, saying it's a lot more chaotic than gehenna

Guessing
>Tea party goes on vacation
>Nagisa severely overworked and over stressed going by her EX attack
>JTF act as guards
>Kasoom ruins everything like usual
>Blows up the beach, blows up the resort blows up sensei, destroys literally everything like a Gehenner while laughing
>Nagisa snaps and decides to blow it up instead
>If shits already fucked then you may as well destroy the rest of it
>Fuck Gehenners
>Japanese fans will end up drawing art pairing Kasumi and Ichika for some reason