Kentaro Shiba (健太郎芝), known to his friends as Kenny or Ken, is a Shinigami hailing from an alternate world where Averian succeeded in dominating the Reikai following The Collapse. He is the son of Rōnin Shiba, who is Kenji Hiroshi's alternate world counterpart, and Miyoko Kato. In addition he is the godson of Kaien Shiba, as well as the nephew of Kireina Shiba and Shuji Kato.