Ragna’s little brother. A soldier of the Control Organization with the rank of Major. He is a talented member of the esteemed Kisaragi family. He ended the Ikaruga Civil War and was hailed as “The Hero of Ikaruga”. He uses the Phenomenon Weapon [Ice Sword: Yukianesa]. He’s calm and cool-headed. He doesn’t care at all about others even to the point of being merciless, but he is filled with ambition and is easily jealous of others. He is also extremely obsessive towards things, especially towards his older brother Ragna the Bloodledge.