Aizen Kunitoshi is Touken Ranbu character
Story of Joining Sora's Team[]
Aizen heard that Sora and his allied friends were doing time and dimension guarding in some place and then he and all his friends joined the fight against evil who would try to change everyone's history including theirs, he didn't accept it so he wanted to join then he met with who is the same age as him and his friend at a young age, he and his friend do routine exercises while taking a few hours of rest so that they don't get tired when they want fight Heartless, Nobodies, and other villains that want destroy world especially his, and his friends gain absolute immortality, pain tolerance, immunity to viruses, looping, time travel, and other powers from Eua, and other Heroes when get visit to Sea of Fragment