Emma and the other orphaned children growing up in the Grace Field House lead a happy and fulfilling life. They are all friends, and each day brings wonderful memories. Although the rules and lessons in the house are strict, their caretaker takes very loving care of each one of them. While the children are essentially free to do whatever they want, there is one important rule: the grounds of the orphanage must not be left. One day, when little Conny is adopted, she forgets her stuffed rabbit in her room. Emma and her best friends, Norman and Ray, sneak to the gate that leads outside, wanting to send Conny off with her beloved rabbit. However, what the three friends discover there is pure horror. Volume 6 of the mega hit from Japan.