CAFE 0: The Drowned Mermaid Voiced Version is an OELVN with Japanese voice and English text. A girl's spirit with no recollection of her past find herself inside Cafe 0, a mysterious Cafe in the middle of nowhere. Served with only a glass of water by the peculiar waiter, Sui---soon she realized that she is about to relive the last seven days before her death. Surrounding her are Ami, a girl who claimed to be her best friend, Tooru, a boy who is rumored to be her previous boyfriend, and Shou, the school's doctor---what are their connection to her past and how are they related to her death? Will she be in peace with her past, or will she haunt the living? It is all up to you to decide.