The deputy shogun’s daughter Aiya offers to employ the demon slayers if they win in a battle against the bounty hunters.

Setsuna is kidnapped by Princess Aiya, daughter of the deputy shogun. Wanting to escape her studies, Princess Aiya begs Setsuna to be her body double for a day, but the princess’s new tutor turns out to be Hisui posing as his older sister Kin’u!

Moroha and Takechiyo strike back against Shogen Mamiana. Setsuna experiences her first New Moon. Towa is trapped by Nanahoshi’s eternity bugs.