Mizu wa Umi ni Mukatte Nagareru (水は海に向かって流れる, "Water Flows Toward the Sea") is a Japanese manga series written and illustrated by Rettō Tajima.

Written and illustrated by Rettō Tajima, Mizu wa Umi ni Mukatte Nagareru was serialized in Kodansha's shōnen manga magazine Bessatsu Shōnen Magazine from August 9, 2018,[1] to July 9, 2020.

[2] Kodansha collected its chapters in three tankōbon volumes, released from May 9, 2019,[3] to September 9, 2020.

It is directed by Tetsu Maeda with scripts written by Satomi Oshima, and stars Suzu Hirose as Chisa Sasaki.

[8][9] The manga ranked 18th on the 2020 "Book of the Year" list by Da Vinci magazine.