総裁Xが宇宙に去ってから約3年の年月が流れ、マントル計画も順調に進み、地球は平和を取り戻したため、国際科学技術庁が科学忍者隊の解散を決定した矢先、総裁Xが復活し襲ってきます。
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Approximately three years after President X departed for space, the Mantle Project progressed smoothly and Earth regained its peace. Just as the International Science and Technology Agency decided to disband the Science Ninja Team, President X returned and attacked.
