Although they welcomed Monica as a new tour conductor, they suddenly exploded with dissatisfaction upon learning the reality of YAT, a low-paid shabby company with useless employees and a noisy president. Meanwhile, Katsura, who had returned to his home planet Noah, returns to Earth temporarily. YAT Jumbo goes to the ship from Noah to greet them and prepares to return to Earth with everyone, but a shocking incident occurs...!?