As the mysterious attacker closes in, Clair discovers something about Shuichi’s costume form… And that changes everything.

Clair and Shuichi wander into the mountains, and encounter a strange and powerful monster.

A few months earlier, a series of strange events happened among Shuichi and his childhood friends.

Shuichi and Clair attempt to strike a deal with the other members of their team, as Yoshioka reaches out to Elena.