Mimirin Midorihara is a snow rabbit and one of the four main characters in the anime Shimajirō Hesoka, the third season of the Shimajiro children's television series. She is known as Mimi-Lynne in English-language dubs. She is the daughter of Renee and Sota Midorihara. As a close friend of Shimajiro Shimano, Torippii Sorano, and Ramurin Makiba, she attends kindergarten with them and participates in everyday adventures that teach kindness, friendship, and problem‑solving. Her role in the story is that of a gentle, caring companion who often shows a supportive and nurturing side, helping her friends navigate the challenges of growing up. Within the group, she is portrayed as calm and thoughtful, and she consistently contributes to the positive lessons the series delivers to its preschool audience.