Everyone carries a camera phone, one of many different types of security cameras. This certain country has access to all the supercomputers that gather information from those cameras. Those who have access have hacked the network and call it "Platonic Chain."
Magane seems like an ordinary boy until the day that he realizes that he can make a sword out of his own shadow. However, he must be careful about using the sword too often, or his shadow will swallow him. There are other people with this ability, and opposing them is a group of people marked with an ominous seal, who are able to wield swords of light. Will Magane be able to figure out what's going on, and use his power responsibly? (Source: MU)
Chain Chronicle Crimson
Based on Sega's Chain Chronicle smartphone game. The manga follows a young magician named Kas who enlists in the Tsuwamono force volunteer army, builds bonds with his allies, and fights the Black Army.
Kingdom Hearts: Chain of Memories
Sora, Donald, and Goofy have defeated Ansem and restored the world. But beyond the dark door—a door that had to be closed—Riku and King Mickey remain. And so the trio set off again on a new journey to find Riku and the king. As they progress through the Castle of Oblivion, encountering agents from the mysterious organization along the way, Sora and his friends begin to lose their memories. What does it mean to hold, something dear? And in the end, what path will Sora choose?! (Source: Yen Press)