Mano Sakuragi is a sixteen-year-old idol affiliated with 283 Production, serving as the central protagonist and the main red representative of the branch. She is the leader of the unit illumination STARS, which also includes Hiori Kazano and Meguru Hachimiya. Her background is defined by a gentle and calm disposition; she is easygoing, kind, and genuine, and she rarely becomes angry or expresses her opinion unless directly asked. This demeanor often inspires a protective instinct in others. However, she is not skilled at social interaction and tends to keep her worries to herself, avoiding large crowds. Her motivation to become an idol originated from a lack of confidence and a desire to change herself. She was scouted by a producer while she was singing to pigeons in a park, a setting that reflects her love for nature and her unusual ability to attract pigeons naturally. As an idol, her overarching goal is to make her fans feel happy and warm, likening her presence to sunshine. Her hobbies include going out and sunbathing in the park. Throughout her journey, she develops gradually through her experiences with her unit and her producer, gaining more confidence and assertiveness. Notable abilities include her naturally soothing presence and her capacity to soften the moods of those around her through her kindness. Her role in the story is that of the driving force, acting as the face of the series and the leader of the core trio.