North Wind (ノースウインド, Noosu Uindo) is an adult visual novel developed by DreamSoft (previously called FC03), which is a brand of F&C.

North Wind follows the player character and protagonist, Makoto Akizuki, a young man who was born into a town where every winter, a "Love Letter Festival" is held.

Gameplay in North Wind offers branching plot lines, and a multi-choice navigation, where the player can attain multiple endings.

This includes audio CDs, art books, and a manga adaptation which serialized in ASCII Media Works' Dengeki Daioh magazine.

[1] The game's text is accompanied by character sprites, which represent who Makoto is talking to, appearing on top of background artwork.

Throughout the game, the player encounters CG artwork at certain points in the story, which take the place of the regular background art and character sprites.

[3] Another heroine in the game includes Yukika Yanagi (柳雪華, voiced by: Fūri Samoto), a mysterious girl who has lost her memory, but due to her bright, cheerful personality, she befriends Makoto quickly.

[5] An additional heroine called Ozaki Suzumi (尾崎鈴美, voiced by: Suzune Kusunoki) was added in the PlayStation 2 port of the game.

[6] Other characters include Misumi Komaki (小牧水澄, voiced by: Yuki), another childhood friend of Makoto, and is one year older than him.

[9] Datam Polystar released the game on April 28, 2005, as a PlayStation 2 port, entitled North Wind ~Eien no Yakusoku~, again for both first press limited and regular editions.

A short-lived manga adaptation of North Wind was serialized in ASCII Media Works' Dengeki Daioh magazine between September 2004 to October 2004 issues.

[15] It contains a visual gallery, interviews with production staff, a large number of unpublished images, and also includes comments from the voice cast.

The CD does not include the ending song "Last Letter -Eternal Wind-" by Kanon Torii, who voiced Miki Kimizuka in the game, respectively.