Choujin X manga volume 4 features story and art by Sui Ishida.

Azuma has always felt driven to help others, and his need to become a choujin was an extension of that desire. But when he finally turned, it wasn't the victory he dreamed of. Now, rather than fighting side by side with Tokio, he’s trying to kill him! Forget repairing their friendship - can Tokio escape their reunion with his life?

Choujin X manga volume 5 features story and art by Sui Ishida.

Tokio, Ely, and Azuma might be on a tropical island, but it’s about as far from a vacation as you can get. They’re there to undergo all kinds of intense training from the keepers of Yamato Mori in order to improve their choujin skills.

Before they can make much headway, renegade choujin crash their training, trying to kidnap one of the three for their mysterious boss! While their teachers bear the brunt of the attack, can Tokio and his friends protect themselves when they can’t even control their powers yet?

Choujin X manga volume 6 features story and art by Sui Ishida.

After being kidnapped from training camp, Tokio and his friends end up at the Tower of Mourning, home of a creepy choujin named Zora. It turns out she’s actually Sora Siruha, the founder of Yamato Mori, and now she wants Tokio’s help to fight the dark future her maybe-false prophetic visions have foretold. It’s all very weird and confusing, and Tokio needs some time before committing his body to her questionable cause. But enormous unhinged monster choujin aren’t known for their patience! Can his friends help him escape, or will he be conscripted into Zora’s growing choujin army?