Yui Kono  

, 香野ユイ

This individual operates as a librarian undercover at the girls school, but when not engaged in her duties, she is surrounded by images or listening devices related to Kyouta. Despite appearing interested in him, she instructs her students to maintain silence and refrain from enjoying his music within the library setting. Her objective is to acquire Kyoutas abilities for the benefit of Wiz-Dom, making her a crucial member of the organization. She leverages Asumi's influence to shape Kyoutas future. Lemon serves as her apprentice.