Kotoha Tanaka is a fictional character from THE iDOLM@STER series, specifically featured in THE iDOLM@STER Million Live! franchise. She is known for her gentle and calm demeanor, often serving as a soothing presence for her fellow idols. Kotoha has a strong sense of responsibility and is highly dedicated to her work as an idol. Her singing voice is both soft and powerful, capturing the emotions of her songs. In the series, she plays a crucial role in supporting her friends and contributing to the group's success.