Kitarou had left his weapons at home and was on a trip when the Tennyo appeared to him and told him that Japan had been taken over by youkai. Kitarou returns home, but finds his weapons and his father missing from his house, and his girlfriend Yumeko Tendo, who was supposed to be a bridge between Kitarou and the Tennyo, has also been kidnapped.

Kitarou had left his weapons at home and was on a trip when the Tennyo appeared to him and told him that Japan had been taken over by youkai. Kitarou returns home, but finds his weapons and his father missing from his house, and his girlfriend Yumeko Tendo, who was supposed to be a bridge between Kitarou and the Tennyo, has also been kidnapped.