After Misuzu-sensei provides the antidote to prevent his full transformation into a Geist, Hiroki enjoys a brief period of peace and intimacy with both her and Shion. However, this happiness is short-lived when Infinity, the Master of the Dolls, arrives to punish Shion for her betrayal. In a tragic confrontation, Shion is fatally wounded, leaving Hiroki with her final, heartbreaking plea to never forget her love.