Ooedo Chakichaki Musume
About
Three girls who protected Edo from Him, as revealed in episode 30 (Edo eventually became Tokyo City; see History of Tokyo). A long time ago in Edo, when Him was terrorizing its citizens, a man named Kennai Hiraga, who is modeled after Hiraga Gennai, created the special substance "Kennainum He," the original Chemical Z, and poured it on three girls: Momo, Omiya, and Okou. The substance changed their appearance, giving them new hairstyles (now similar to their present day counterparts) and kimonos...