What the customer left behind in the cab is a passport that opens the door to nightmares and horror. After a collision, Nagashi Kawatome is rushed to the emergency room, where he loses his memory and does not know who he is. When Kawatome meets Katsuie Takaishi, who works as a head nurse at the hospital where she is hospitalized, she tries to regain her memory, but ......

When GUTS-Select investigate mysterious disappearances, they learn it is work of an evil alien who intends to invade the Earth, called Professor Gibellus. However, just in time, a mysterious woman appears to help GUTS-Select.

Shy outcast Kokoro has been avoiding school for weeks when she discovers a portal in her bedroom mirror. She reaches through and finds herself transported to an enchanting castle where she is joined by six other students. When a girl in a wolf mask explains that they have been invited to play a game, the teens must work together to uncover the mysterious connection that unites them. However, anyone who breaks the rules will be eaten by a wolf.