[Manga] Sprite v01-06

Summary: Yoshiko, a 2nd year in high school; while studying for her entrance exams, every morning she would drop off her copied notes to her Hikikomori childhood friend. Miki and Kiriko followed her morning commute. One day, they went to deliver the notes like always, but for some reason only Yoshiko could see the "Black snow" dancing in the air, and things just keep getting stranger.