With a wish "to save the lives of the deceased parents", Tatsuya challenges Ryuzu with the position of the leader for the experiments on the line. He knows the truth behind the experiments that Ryuzu has yet to realize.

The final battle begins at Ryuzu`s Lab in the midst of the experiment to bridge Earth and Cray during the half-moon. Can Shinemon stop Tatsuya, who has sacrificed everything for the experiment?