A malison cleanser who knew Kazuya's mother is unimpressed with his skills, and wants to strip of him of his duties. But after seeing how malison atonement impacts the people struck by it, does Kazuya even want to put up a fight?

The duel between Sunao and Kazuya begins. Can Kazuya and Kiriha manage to overcome Sunao's thirst for vengeance?

Kazuya's duel with Sunao concludes, with Kiriha and Kazuya dead set on proving that a tsugumomo who works together with their master is stronger than one that's just treated like a tool.