BS Shin Onigashima tells the complete story of two orphaned children who discover that nothing about their origins was ordinary. Raised by an elderly couple in the remote mountain village of Nagakushi, they live quietly until an evil dragon strikes the western capital and sends its oni — soul-devouring monsters — outward across the land. The couple's souls are taken. The children, eight years old and still alive, decide to go after them. Over four chapters broadcast via Nintendo's Satellaview service, their journey takes them through a Japan populated by demons and human antagonists, each step closing the distance to the dragon and to the truth of who they actually are. The game draws on Japanese folklore — the peach-boy legend of Momotaro prominent among its touchstones — while remixing those mythic elements into something less straightforward. The secret of the children's origins drives every chapter forward, revealed only in the final confrontation with the dragon that set the whole story in motion.