sentences:  Watsuki based "Buso Renkin"s characters and fictional elements on his previous works.He conceptualized Kazuki while imagining Makimachi Misao, and Tokiko was designed as a feminized version of Himura Kenshin from "Rurouni Kenshin".From the same series, Yukishiro Enishi and Yukishiro Tomoe served as inspiration for the Hayasaka twins; Inui Banjin and Otowa Hyōko for the homunculi Kinjo and Jinnai.