"Waters") is a Japanese manga series written and illustrated by Yuki Urushibara.

It was serialized in Kodansha's seinen manga magazine Monthly Afternoon from November 2009 to October 2010, with its chapters collected in two tankōbon volumes.

[1][2][3] Kodansha collected its chapters into two individual tankōbon volumes released on January 21, 2011.

[4][5] On the same day, Kodansha also published the series in two aizoban volumes.

[9][10][11] The manga is licensed in France by Ki-oon[12] and in Spain by Milky Way Ediciones.