Attack on Titan: Kuklo Unbound is a prequel to the original series and is written by Ryo Suzukaze and illustrated by Thores Shibamoto.

Kuklo was found as a baby crying in a mass of Titan vomit, amidst the dead Titan corpses. He is called "a child of Titan" and is essentially hated by the people inside the walls. Kuklo, despite his horrible beginnings and a single-functioning eye, also seems to grow unnaturally fast. He parts himself from his past and gambles on the fate of humanity by enlisting in the Survey Corps. This group functions primarily outside of the safety of the walls. And here with his strength and determination Kuklo survives and thrives.

But to accomplish this he gets his hands on the Vertical Maneuvering Equipment. Although the gear is still imperfect and causes a troublesome incident for Kuklo, he fights the titans. Whether it is because it is his fate to fight them, or it is because of his past, he fights against them.

Attack on Titan: Before the Fall, a prequel spin-off novel to Attack on Titan, features story by Ryo Suzukaze and Art by Thores Shibamoto.

Humanity has been devastated by the bizarre, giant humanoids known as the Titans. Little is known about where they came from or why they are bent on consuming mankind. To combat these monsters, mankind has developed a new set of tools to grant them the skills of flight, speed, and agility. Before the Fall details the development of those tools.

Before the fall, and before the trials of "the Titan's son" Kyklo, a young smith by the name of Angel Aaltonen grappled with the giants as only a craftsman could...