Shigutaro is a university student and dedicated supporter of the idol group ZINGS, focusing particularly on member Yuya Niyodo. She has curly light-brown hair reaching her shoulders and maroon eyes with pink highlights. As a member of a core trio of Niyodo fans alongside Kasenjiki and Tsugiko, she regularly attends ZINGS live performances. Following these events, she engages in group discussions analyzing Niyodo's behavior patterns. Together, this trio observes and categorizes his stage presence into distinct modes based on perceived energy levels and mannerisms. Her activities, including these collective viewing experiences and detailed observations, reflect common idol fan culture practices. Her documented background remains centered on her student status and these fan activities.