Attack on Titan: Secrets of Marley (SNK x OC)

In a world where Titans sow terror, Gray Lehmann finds himself caught up in a war beyond his imagination. A native of Marley, he has been trained to hate the Eldians of Paradis Island. But when he is sent on a mission with some warrior friends, an unexpected destiny awaits him.

Gray, heir to the Jaw Titan, infiltrates the ranks of the Paradis army, guided not only by his duty but also by a personal quest: to discover the truth behind the lies that have shaped his life. As he makes friends with supposed enemies, doubts arise within him, calling into question everything he thought he knew.

Through battle and betrayal, Gray must navigate between loyalty and betrayal, while facing impossible choices. Faced with a more formidable Eren Yeager than ever, Gray finds himself at a crossroads, where every decision could well seal the fate of humanity.

In this world of violence and vengeance, where the lines between good and evil are blurred, Gray will discover that the real monsters are not always the ones we think they are.

DISCLAIMER : I'm not an English native speaker so there might be some mistakes of language in the book. If some of you see them, please tell me and I'll correct them.