Sachi Nakamura est une fille vivante et joyeuse qui aime soutenir ses amis. Alors qu'elle peut être ludique et taquine, Sachi est aussi quelqu'un qui se soucie profondément du bien-être de ceux qui l'entourent, en particulier Touko.
Kakeru Okikura is a reserved, introspective character who becomes entangled in the lives of his new friends, especially Touko. His emotional journey centers around his relationship with her and confronting his own uncertainties about love and the future.
Touko Fukami is a high school girl with a passion for glass art. Despite being gentle and a bit shy, she has big dreams of becoming a glass artist. Throughout the series, she deals with personal growth and her feelings toward her friends and romantic interests.