Kuro serves as a core character in the series, positioned within the central cast of official mascots for the Shibuya City Tourism Association. As an integral part of the collective identity, Kuro contributes to activities promoting Shibuya's cultural vibrancy through the narrative. The character functions cohesively alongside counterparts Hachi, Mike, Nana, Harry, and Moyai, embodying the tourism initiative's spirit as an ensemble. Kuro's presence begins in the series premiere on April 6, 2024, maintaining continuity as a consistent member of the primary group throughout the broadcast. Available sources do not provide specific details regarding Kuro's individual background story, distinct personality traits, character development trajectory, or unique narrative function across official media extensions. The depiction remains uniformly as a member of the mascot collective without elaboration on personal history or evolution.