is a Japanese
manga series written as a collaboration between
Sakura Kinoshita and Kazuko Higashiyama. It was serialized in
Comic Blade Masamune. Kinoshita supplied the character "Kantarou," and Higashiyama supplied the character "Haruka." While the manga was previously licensed for released in English in paperback by both
ADV Manga and
Tokyopop, the manga is now only available in English in digital format on
JManga.