Cocoa Mitsumoto is a fictional character from Mahjong Hishouden: Naki no Ryuu. She is a supporting character associated with the story’s mahjong-centered cast and world, where characters are defined by their skills, rivalries, and dramatic encounters around the game. As a member of the ensemble, Cocoa contributes to the series’ atmosphere and character interactions, helping to build tension and personality within the competitive gambling and mahjong narrative.