Asagi Kazeno is a 155-centimeter-tall second-year student at Minamigaoka High School, distinguished by shoulder-length brown hair often accented with a green ribbon on the left side and her red-brown eyes. Her family's photography studio background fuels her own passion for capturing images, particularly living subjects like rabbits and animals, as a dedicated member of the school's Magic-Photography-Arts Club. She greets newcomers with enthusiasm, actively drawing them into club photoshoots.

Her life is deeply intertwined with that of the club president, Shō Yamabuki, a childhood friend for whom she develops lasting romantic feelings. This affection turns painful when Shō directs increasing attention towards Hitomi Tsukishiro, causing Asagi visible jealousy and distress that culminates in a direct confrontation seeking clarity on his intentions. Despite this turmoil, Asagi collaborates professionally with Hitomi on club projects, such as utilizing magic-imbued star-sand. She maintains consistent, friendly interactions with fellow members Kurumi Kawai and Chigusa Fukasawa, often seen socializing or discussing everyday matters.

Following Shō's confession of his feelings to Hitomi and subsequent rejection, Asagi processes this outcome without overt conflict. She sustains her friendship with Shō and remains an active, engaged participant in all club activities alongside him and the others. Her story navigates these unrequited feelings while preserving her meaningful social connections during Hitomi Tsukishiro's 2018 stay.