Changes

[[File:YoungKastleTwins.png|thumb|200px|right|Reginald and Rio as children.]]

As children, Reginald and Rio visited a theme park. While there, Rio obtained [[Kastle twins' rings|a pair of matching rings]] they could wear together. Reginald refused her offer to wear one, and she walked off in anger, calling him an "idiot" and tossing the rings to the ground.<ref name="ep78">{{episode|Yu-Gi-Oh! ZEXAL|78|ref}}</ref>