Mamoru is in trouble! After a car accident, he wakes up in a mysterious land with strangers that he's never met before! One of the strangers, Fururu, tells him that he's arrived in the underworld and that she needs his help to fight off dark forces! In this intense top-down shooter, you will choose your own path to saving the underworld from invasion! Make use of the 'Curse Bullet' and wreck havoc upon your enemies!