Assassination Fairy

I'm sorry if this isn't good. It's my first story.

What happens when team Natsu is pulled into a strange world where there is no magic. But instead a giant yellow octopus who plans to destroy the Earth. The government send them to E Class in
Kunugigaoka to be a part of the Assassination Team. They must hide their powers from their classmates until the time is right. But will they be discovered? And will they return home? Find out Here!!

I own nothing!! But i did put the cover together but the actual pictures aren't mine!