Opus 13: Karneval.After Yogi defeats Delmen, Gareki has second thoughts of joining Circus. Hirato intervenes as Azana admits to looking up to Akari, despite Azana secretly working for Kafka. Tsukitachi finds the rattling box in the mansion, but it suddenly explodes. However, he manages to save Kiichi during her battle against Kagiri and Kiharu. While Nai, Gareki and Yogi move on towards the rainbow gate, Jiki is left to face against Nima and holds her back. Uro diffuses Tsukumo and Eva's electric cage, and Yogi is forced to keep Uro at bay. In a field, Nai and Gareki finally meet Karoku. After Nai runs up to hug Karoku, Gareki realizes that he can barely move and struggles to shout. On the ground lies the real Karoku in a death-like state. Despite Palnedo having escaped from the Misty Mansion via submarine, the mission is complete and an unconscious Karoku is brought back to the Research Center to be monitored by Akari. Gareki tells Hirato that he wants to study in order to become a member of Circus. Nai, Yogi and Tsukumo bid Gareki a sad farewell. Karoku is seen awake in the hospital bed, watching a bird fly away from his window.