Shinemon heads to Ryuzu`s Lab to bring Rive back together with Esuka. Mark enters the finals alone, believing in the return of Shinemon and friends. The curtain rises on Shinemon`s final fight.

"The one who wants to fight Shinemon with the Unit summoning experiment is not Ryuzu but me.", Tatsuya chuckled dubiously. What does that actually mean? Ryuzu and Rive look back upon the beginning of this research.