| Koi Kaze | |
 First tankōbon volume cover, featuring Nanoka Kohinata | |
| 恋風 | |
|---|---|
| Genre | |
| Manga | |
| Written by | Motoi Yoshida |
| Published by | Kodansha |
| Magazine | Evening |
| Demographic | Seinen |
| Original run | 2001 – 2004 |
| Volumes | 5 |
| Anime television series | |
| Directed by | Takahiro Omori |
| Produced by |
|
| Written by | Noboru Takagi |
| Music by | |
| Studio | A.C.G.T |
| Licensed by |
|
| Original network | TV Asahi, Kids Station |
| Original run | April 1, 2004 – June 17, 2004 |
| Episodes | 13 |
Koi Kaze (恋風, lit. "Love Wind") is a Japanese manga series written and illustrated by Motoi Yoshida. It was published in Kodansha's seinen manga magazine Evening from 2001 to 2004, with its chapters collected in five tankōbon volumes by Kodansha. The series tells of the incestuous relationship that develops between 28-year-old Koshiro, and his 15-year-old sister, Nanoka.
It was adapted into a 13-episode anime television series by A.C.G.T. Directed by Takahiro Omori, it was broadcast on TV Asahi from April to June 2004; only twelve episodes of the series aired, with the remaining episode streamed online and later included in both DVD releases and when the series aired in reruns as the eighth episode. The anime series was licensed for release in North American by Geneon Entertainment, which released three DVD volumes in 2005.