When Yama's uncle is kidnapped by the most powerful cat in Catropolis, Dr. Claw, he vows to find him. What he finds instead is his destiny, in an ancient o-icho, a sumo top knot, which when worn, transforms Yama into Sumo Mouse.
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When Yama's uncle is kidnapped by the most powerful cat in Catropolis, Dr. Claw, he vows to find him. What he finds instead is his destiny, in an ancient o-icho, a sumo top knot, which when worn, transforms Yama into Sumo Mouse.