Attack on Titan: Before the Fall (Manga)

Attack on Titan: Before the Fall (進撃の巨人 Before the fall) is a currently ongoing manga by Satoshi Shiki, based on the light novels by Ryou Suzukaze. This manga serves as an official prequel to main story by Hajime Isayama. There are currently four chapters and a prologue published.

Kodansha USA has licenced this manga and will start distributing it, starting on March, 2014.

Plot
This story takes place 70 years before the manga story starts. Where a titan appeared inside the wall. People were instructed to keep this incident a secret, however. 13 years later a nobleman illegally purchases 'The Child Of Titans', Kyukuro, from the black market. He takes him to the celler and chains him to the wall, to starve and wallow in his own filth. After a while, the nobleman takes his son down to bully Kyukuro.

This continues untill the noblemans daughter, Charlie goes down to the celler, scared out of her wits and meaning to kill Kyukuro, but instead sees him as a human and makes an alliance with him. One day they get the news Charlie is going to be married off. They make plans to escape.