3-E won a trip to a fine beach resort. you were in the forest with Nagisa, Maehara, Isogai, Okajima, Hinano were looking for bugs, when you were following them, Okajima said he set a good trap, which were p0rn magazines and Koro-sensei in a stag beetle outfit. anti sensei BB's under the magazines and this was an assassination attempt

okajima: be ready to pull-

Koro-sensei then saw a stag beetle with white eyes and his tentacle grabbed it, Hinano ran out, they chased her for the beetle