{{MusicArticle
| titlejp     =自由な世界
| titlejprom  =jiyuu na sekai
| titleen     =The World of Freedom
| group       =[[Sun History|SUN HISTORY]]
| groupCat    =Sun History
| groupCat2   =
| groupCat3   =
| groupCat4   =
| released    =2014-05-11
| convention  =Reitaisai 11
| tracks      =6
| length      =
| catalogno   =
| genre       ={{Genre|Vocal}}, {{Genre|Instrumental}}, {{Genre|Rock}}, {{Genre|Chiptune}}
| website     =[http://sunhistory.blog91.fc2.com/blog-entry-29.html Link]
| image       =自由な世界.jpg
| caption     ='''Cover Art:''' [[Sanae Kochiya]]
| banner      =
| arranger    ={{lang|ja|サマーなつ男}}
| lyricist    ={{lang|ja|サマーなつ男}}
| vocalist    ={{lang|ja|サマーなつ男}}
| producer    =
| illustrator =GARU ([https://twitter.com/doyagao_n twitter])
| designer    =
| masterer    =
| other_staff =

| autogendesc =vocal and instrumental
| description =

| tracklist   =

{{F:track|01|SonicWalker|
| arrangement = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|東の国の眠らない夜}}
! source: {{StB}} }}

{{F:track|02|{{lang|ja|一生に一度のお願い}}||lyrics=Lyrics: 一生に一度のお願い
| english title = A One Wish for a Lifetime
| arrangement = {{lang|ja|サマーなつ男}}
| lyricist = {{lang|ja|サマーなつ男}}
| vocals = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|信仰は儚き人間の為に}}
! source: {{MoF}} }}

{{F:track|03|DeadSpace|
| arrangement = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|リジッドパラダイス}}
! source: {{TD}} }}

{{F:track|04|Happy Ⅱ Drive||lyrics=Lyrics: Happy Ⅱ Drive
| arrangement = {{lang|ja|サマーなつ男}}
| lyricist = {{lang|ja|サマーなつ男}}
| vocals = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|デザイアドライブ}}
! source: {{TD}} }}

{{F:track|05|{{lang|ja|そして太陽はまた昇る}}||lyrics=Lyrics: そして太陽はまた昇る
| english title = Thus, the Sun Rises Again
| arrangement = {{lang|ja|サマーなつ男}}
| lyricist = {{lang|ja|サマーなつ男}}
| vocals = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|霊知の太陽信仰　～}} Nuclear Fusion
! source: {{SA}} }}

{{F:track|06|{{lang|ja|目隠しかくれんぼ}}||lyrics=Lyrics: 目隠しかくれんぼ
| english title = Blindfolded Hide and Seek
| arrangement = {{lang|ja|サマーなつ男}}
| lyricist = {{lang|ja|サマーなつ男}}
| vocals = {{lang|ja|サマーなつ男}}
| sources = 
! title: {{lang|ja|ハルトマンの妖怪少女}}
! source: {{SA}} }}

| notes       =
| review      =
| print_references =
}}