As Elsie finishes her studies, she is attacked by an unknown assailant. After losing consciousness, she wakes up and discovers that she has somehow ended up on Anatole Island. There, Elsie learns that there is something unusual about her Cell, a magical device linked to its user's life. And anyone who tries to leave Anatole must undergo a thorough examination of the Cell.
If Elsie wants to get off the island, she must find a way to get past the cell inspectors, but the island is full of strange and dangerous monsters. She will have to turn to local residents for help, collect materials and gain the strength she needs. And find out who attacked her and why she is so unique.