Fuyu no Sonata: Joshou - Hatsuyuki no Negai
English title: Winter Sonata Prologue: The First Snow Wish
Japanese title: 冬のソナタ 序章 ~初雪の願い~
Alternative titles: Winter Sonata Episode 0, Fuyu no Sonata Episode 0, Winter Love Story Episode 0
Type: Special
Source: Other
Episodes: 1
Status: Finished Airing
Aired: Oct 17, 2009
Duration: 25 min
Rating: PG-13 - Teens 13 or older
Studios: Studio Comet, KeyEast, REALTHING
Producers: Yoon's Color
Genres: Drama, Romance

Based on the Korean drama television series about the love between two childhood friends and the tragic events that happen.

In terms of the timeline of the Winter Sonata series, it belongs in the time gap midway through episode 21.

(Source: Frostii Subs)