The game is set in a historical fantasy version of the Sengoku period of Japanese history, featuring demons, magic and steam-powered robotics.
[2][3] The Saturn version provides an option to choose a difficulty level between 1 and 7, configure controls, and set the number of lives between 1 and 4.
A militaristic cult Shinrano, scheming the resurrection of their dark god, has kidnapped the Shogun's daughter Princess Futsu (Futsuhime) for a sacrifice.
The characters were designed by the now-famous[5] Tsukasa Jun (at that time still an "underground" artist), based on the works of Hirofumi Nakamura in the original game.
[3] Exclusive for the Saturn conversion was the implementation of voices during the brief cut scenes, and the addition of Marion from the Gunbird series as a bonus hidden character.
[12] Several PVC figures were also released for Koyori and Junis,[13][14] as well as for the demon-ninja villainess Kaen (火燕[15])[16] who has become one of the game's most popular characters.
They praised the unique graphical style and detail and compared the game favorably to Psikyo's earlier shooter Gunbird.