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Y Belt
Y Belt
Device Type: Transformation
Function: Publicity gimmick used to entertain the crowds by transforming Yuki's clothes into his Yavais costume.

The Y Belt is what Yuki uses to transform into Yavais. This is primarily used to entertain the crowds and has no real value in crimefighting. The process in which the belt transforms his street clothes into his hero costume is unknown, but it most likely in the same manner in which Ankaiser uses his Transforming Tie.