Tail of the Moon (月のしっぽ, Tsuki no Shippo) is a Japanese shōjo manga series written and illustrated by Rinko Ueda.

[2] The series has been licensed by Viz Media for an English-language North American release as part of their Shojo Beat imprint.

As a result, her grandfather gives her a special mission: to go to Segachi, marry Hanzō Hattori, the leader of the main branch ninja family, and bear his child.

Written and drawn by Rinko Ueda, Tail of the Moon Prequel: The Other Hanzo(u) (月の吐息　愛の傷, Tsuki no Toiki no Ai no Kizu) was originally published as a oneshot in Margaret magazine in 2001, but was soon followed by another oneshot, Tsuki no Toiki Natsu no Yume (月の吐息 夏の夢) in 2002, and then the series, Tail of the Moon.

Both the prequel and the series are licensed by Viz Media in North America for an English language release as part of their Shojo Beat line of manga.