Ashioka Rangyo

Shoko, an aspiring artist, made her living drawing portraits. One day, a young man wrapped in bandages asked her to draw his self-portrait, but as it turned out, he was actually an invisible man... (Source: MangaPlus)

One day, Koyori, a young girl, suddenly sees a red thread wrapped around her little finger. Skipping school, she follows the thread and meets Beniko, a girl traveling alone. What will the two see at the end of the thread?