Chance of a Lifetime ✰ AOT x READER

[CONTAINS STRONG LANGUAGE, READ AT YOUR OWN RISK. FOLLOWS THE MANGA. STARTS AROUND SEASON 4.] "Welcome to the Island of Devils. By Marley's favorite devil." "You my dear, are something of great power. Something that the world fears." "Just why was the world created? For the existence of Titans? Founder Ymir, tell us w...