After obtaining the dragon's magicite, Anisphia and Euphyllia visit Tilty, Anisphia's friend and research partner, in hopes of developing new technology with it. Anisphia is giddy with excitement, but then she receives word of the continuing investigation into the annulment of Euphyllia's engagement...

Euphyllia watches the battle between Anisphia and Algard grow increasingly intense as she frantically works to heal Lainie and Ilia. Anisphia struggles against Algard's new vampiric powers, but she makes up her mind to take her younger brother's life if it means stopping his evil deeds. The love- and hate-filled battle between brother and sister—prince and princess—nears its end...

Meeting Lumi, a spirit contractor, has solidified Euphyllia's determination to be the next monarch. Her only wish is to preserve Anisphia's dream and her smile, but there is a hidden truth behind the spirit contract. When Anisphia learns what it is, she's unable to bear it and runs out into the icy rain...

"I don't want to let you become queen." "I don't want to let you give up everything." While Ilia and Lainie watch with bated breath, Anisphia and Euphyllia confront each other, each with her own conviction. Each one cares too much for the other to back down. When Anisphia strikes with all her strength, Euphyllia strikes with all her soul. Who will win this duel?