It's Christmas season and our pink-haired protagonist needs to buy a gift for a friend. Luckily for him, the newest mall in town has just opened! Together with his other friend, he decides to shop there. However, the mall's owner has an evil plan for that place...?! When a blackout occurs and locks our protagonists inside just as they finish buying gifts, they must venture further into the mall to find out what exactly is going on, and how to get back home in time for Christmas!