Sugar season vol.4: Fuyu Koi
| Composed by | Hiromi Sato / Noriyasu Agematsu |
| Arranged by | Daisuke Kikuta / Hitoshi Fujima |
| Published by | Aria Entertainment |
| Catalog number | AECL-1004 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 6 tracks |
| Release date | December 21, 2005 |
| Duration | 00:23:17 |
| Genres |
M01
Lyrics, Music, Vocal: Hiromi Sato
Arrange: Daisuke Kikuta
M02 - PC Game 'Boy Meets Girl' ED
Lyrics, Music, Vocal: Hiromi Sato
Arrange: Hitoshi Fujima
M03
Lyrics, Music, Arrange: Noriyasu Agematsu
Vocal: Hiromi Sato
Lyrics, Music, Vocal: Hiromi Sato
Arrange: Daisuke Kikuta
M02 - PC Game 'Boy Meets Girl' ED
Lyrics, Music, Vocal: Hiromi Sato
Arrange: Hitoshi Fujima
M03
Lyrics, Music, Arrange: Noriyasu Agematsu
Vocal: Hiromi Sato
| 1 | 冬恋 | 04:00 |  |
| 2 | Always | 05:33 | |
| 3 | 永遠に | 02:08 | |
| 4 | 冬恋 （off vocal Version） | 03:59 | |
| 5 | Always （off vocal Version） | 05:33 | |
| 6 | 永遠に （off vocal Version） | 02:04 | |
