Yuuga and Eia agree to use a mysterious machine called SCM to test themselves; Lucie looks to seek revenge on the man who wronged her.

Yuuga and Eiya explore the boundaries of the SCM and challenge two people to a game.

Two people face what it really means to use the SCM; Eiya and Yuuga find out about Seiya.

Eia runs into an old friend; Zero is approached by a little boy who needs help avenging his father who died because of the SCM.

Zero unintentionally reveals new SCM data; Eia and Yuuga disagree on how to proceed with their strategy.

Zushiohmaru's backstory is revealed; Yuuga quickly finds himself over his head despite his confidence.