Ouka Mizushima, known as Ouka-chan, is a cheerful and energetic mascot character in the anime series Mascot Character. With her pink hair and cherry blossom-themed attire, she brings joy and enthusiasm to the cast, often acting as the group's motivator. Ouka-chan is known for her positive attitude and infectious optimism, helping her friends overcome challenges. As the central mascot, she represents hope and unity, embodying the series' themes of friendship and perseverance while providing comic relief and heartwarming moments.