View source for Good-bye days

{{Infobox Single
| Name = Good-bye days
| Cover = YUI Good-bye Days.jpg
| Artist = [[Yui (singer)|Yui]]
| from Album = [[Can't Buy My Love]]
| Released = June 14, 2006
| Format = [[CD single]]
| Recorded = 
| Genre = [[J-pop]]
| Length = 
| Label = [[Sony Music Japan]]
| Writer = Yui <small>(lyrics & music)</small>
| Producer = Hisashi Kondo
| Last single = "[[Tokyo (Yui song)|Tokyo]]"<br />(2006)
| This single = '''"Good-bye Days"'''<br />(2006)
| Next single = "[[I Remember You (Yui song)|I Remember You]]"<br />(2006)
}}

"'''Good-bye Days'''" is the fifth single by the [[Japanese people|Japanese]] artist [[Yui (singer)|Yui]]. It was released on 14 June 2006 under [[Sony Records]]. She credits the song as "for Amane Kaoru / for 雨音薫" because the song was the main theme song for [[Midnight Sun (film)|Midnight Sun]] in which Yui plays Kaoru Amane.

A [http://www.youtube.com/watch?v=nozpSnKJDHU&fmt=18 "Korean version of Good-bye Days"] is covered by a Korean Pop and Rock Band called Bay (베이).

==Songs==
*"Good-bye Days" is the theme song for ''A Song to the Sun'' (Midnight Sun) in which YUI also stars as the leading actress. 
*"Skyline" was written as the main [[B-side]] of the single, was used as an insert song for the movie.
*"[[It's Happy Line]]" was written before YUI's major debut and released as an [[Indie (music)|indies]] single, it was one of the songs that she sang at her audition for Sony. It was used as an insert song for the film.

==Track listing==
# Good-bye Days
# Skyline
# It's Happy Line
# Good-bye Days: Instrumental

===Oricon Sales Chart (Japan)===
{| class="wikitable"
!Release
!Chart
!Peak Position
!Sales Total
|-
|rowspan="3"|June 14, 2006
|Oricon Daily Singles Chart
|align="center"|1
|
|-
|Oricon Weekly Singles Chart
|align="center"|3
|241,873
|-
|Oricon Yearly Singles Chart
|align="center"|36
|226,155
|}
{{listen 
 | filename     = Goodbye Days - YUI.ogg
 | title        = "Goodbye Days" (2006)
 | description  = Taiyou no uta Theme Song
 | format       = [[Ogg]]
}}
{{listen 
 | filename     = It's happy line.ogg
 | title        = "It's Happy Line" (2004)
 | description  = 3rd Track "It's Happy Line"
 | format       = [[Ogg]]
}}

{{Yui}}
{{2000s-Japan-single-stub}}

[[Category:2006 singles]]
[[Category:Yui songs]]
[[Category:Songs written by Yui]]

[[ko:Good-bye Days]]
[[nl:Good-bye Days]]
[[ja:Good-bye days]]
[[zh:Good-bye days]]