Unaware of what happened the previous night, Iroha comes across a mysterious place offering something called Lucky Owl Water, where she meets a self-proclaimed mercenary named Felicia Mitsuki. Meanwhile, Yachiyo is approached by Kyoko Sakura, who has come to Kamihama to hunt Witches. Experiencing a string of lucky occurrences from drinking the Lucky Owl Water, Iroha hears from Yachiyo that something bad will apparently happen after 24 lucky things have happened...