Two young witches are sent to the human world to collect and crystallize hearts. Whoever comes back with the most gets to be queen of the magical world. However, they must watch out and not give their own hearts away.

Vols. <4-> translated by Kaya Laterman ; v. 5-<8> translated and adapted by Kaya Lateman. "First published in Japan in 2004 by Kodansha ... Tokyo"--Vol. 1, t.p. verso.