This is a trip to another time and space by Vita; Dr. Jer Sculiaidi assisted the four sequencers to escape, and the target was actually "the third power of seven"; the Space and Time Management Bureau held an emergency meeting, and finally decided to reorganize the Sixth Mobile Class and hand it over to investigate and solve the matter. After discussion, it was decided that Commander Vita and Investigator Galaxy Nakajima would go to the world of J-2167 to perform a mission; at this time, the useless boy Sawada Tsunayoshi met the devilish tutor Reborn...