This volume introduces Mistress Potamos, who has vowed to destroy Momoko and steal her boyfriend, too. But things quickly go awry for the water demon when Momoko's boyfriend exhibits demon energy himself. Something is definitely wrong and neither Potamos nor Wedding Peach can figure it out. Complicating matters is the arrival of Salvia, an angel with major attitude.

Nao Yazawa's debut work was Gengoro Mairu, published in 1988. Both live in Tokyo.