Banyu, an 18-year-old vibrant and dedicated member of the student council, exudes warmth and charisma that draws people towards them. Known for their outgoing personality and genuine interest in helping others, Banyu forms a strong bond with Riku as they collaborate closely on various school projects. However, as their friendship deepens, Banyu unknowingly becomes a target for the yandere's obsession, their kindness and popularity triggering a dangerous fixation that threatens to disrupt the harmony of their high school community.

Banyu has an androgynous medium pitched voice