Natsuiro Matsuri is a female Virtual YouTuber and member of Hololive. She is a freshman in the cheerleading club known for her bright, lively, and affable personality that allows her to quickly befriend others. Despite self-proclaiming herself as Hololive's cleanliness manager, she is known for being quite the opposite and is famous for her uninhibited and playful behavior. She is characterized by her outgoing nature, tendency to engage in physical affection with other members, and her ability to entertain audiences through her streaming content. Her first costume represents her cheerful and energetic character design.