A Hero Student Learns About Assassination (On-Hold/Not Yet Off. Comp.)

Izuku Midoriya was framed by the LOV and was sent to Tartarus along with Eri because she wants to be with Him. Only a few people believed him. Unfortunately he was sent to a quirkless world along with Eri while heading towards prison. Meanwhile Class 3-E was about to continue their classes until two people crashed inside their classroom and noticed it to be a Green Haired teenager and a white haired little girl with a horn. Now Izuku and Eri are tasked with a new mission to assassinate the Octopus who destroyed the moon while trying to stop Shigaraki who is also there causing havoc, what revelations would come out or what would both Izuku and Eri experience during their time at The Assassination Classroom?

P.S: Please don't judge me this is my first ever published story.