River's Edge (Japanese: リバーズ・エッジ, Hepburn: Ribāzu Ejji) is a Japanese slice of life manga written and illustrated by Kyoko Okazaki. River's Edge was first published in the women's fashion magazine Monthly Cutie between 1993 and 1994.^{[1][2]: 195} River's Edge follows Haruna, a high school girl in a suburb of Tokyo, and her friends as they traverse the ups and downs of high-school life in the 90s.^{[3][2]: 195–196}

Themes of bullying, homosexuality, drug-use and teenage pregnancy are explored through the lens of a coming of age story. The manga was highly influential in Japanese literature.^[3]

A film adaptation of the manga was released in 2018. Kodansha USA currently publishes the manga in English.^[4]

Haruna Wakakusa (若草ハルナ, Wakakusa Haruna) - The first protagonist of the novel. Haruna is a straightforward and unrelenting teenage girl who saves Ichiro from the bullying of her boyfriend, Kannonzaki.

Ichiro Yamada (山田一郎, Yamada Ichirō) - The second protagonist of the novel. Ichiro is bullied by the other boys at school due to his popularity with girls at school. Quiet and non-chalant, Ichiro is closeted although he dates Kanna to appear straight.

Kozue Yoshikawa (吉川こずえ, Yoshikawa Kozue) - Kozue is one of the most popular girls at the high school. She is a child model and one of Ichiro's only friends aside from Haruna.

Kannonzaki (観音崎, Kanōnzaki) - Hotheaded and rash, Kannonzaki is Haruna's boyfriend. He relentlessly bullies Ichiro due to his popularity with girls at school.

Kanna Tajima (田島カンナ, Tajima Kanna) - Ichiro's girlfriend. She is unaware of his homosexuality and is overprotective of Ichiro.

Lumi (ルミ, Rumi) - One of Haruna's friends. She dates older men for gifts.

River's Edge was originally published on May 27, 1994, by Takarajimasha^[1] in the CUTiE magazine. Since then, the manga has been reprinted 3 times; once in 2000, 2008 and 2015.^[5][6] In 2023, an English translation published by Kodansha USA was released.^[7]