| Humanity... | WORK-S | CD | 10 | |
| Natukage / nostalgia | KEY+Lia | CD | 2 | |
| AIR Original SoundTrack | Various Artists | 2×CD | 26 + 11 | |
| Kanon ORIGINAL SOUNDTRACK | Various Artists | CD | 24 | |
| Kanon ORIGINAL SOUNDTRACK | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 24 | |
| KANON arrange best album "recollections" | Various Artists | CD | 13 | |
| Birthday Song,Requiem | KEY+Lia | CD | 3 | |
| Spica / Hanabi / Moon | KEY+Lia | CD | 4 | |
| ソララド | riya | CD | 6 | |
| Kanon AIR Piano Arrange Album Re-feel | KIYO/riya | CD | 10 | |
| MABINOGI CLANNAD arranged album | Various Artists | CD | 9 | |
| CLANNAD ORIGINAL SOUNDTRACK | Various Artists | 3×CD | 20 + 17 + 19 | |
| ソララドアペンド | riya | CD | 4 | |
| CLANNAD remix album -memento- | Various Artists | 2×CD | 10 + 7 | |
| Ma-Na | Various Artists | CD | 4 | |
| Love Song | riya | CD | 13 | |
| Tomoyo After Original SoundTrack | Various Artists | CD | 21 | |
| CLANNAD/Tomoyo After Piano Arrange Album ピアノの森 | 水月陵 | CD | 10 | |
| AIR Analog Collector's Edition – 鳥の詩 / Farewell song | Lia | Vinyl | 5 | |
| OTSU Club Music Compilation Vol. 1 | OTSU | 2×CD | 10 + 9 | |
| planetarian original soundtrack | 戸越まごめ | CD | 12 | |
| Last regrets / 風の辿り着く場所 | 彩菜 | CD | 6 | |
| Last regrets / 風の辿り着く場所 | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 6 | |
| planetarian ドラマCD 第一章 雪圏球 | Various Artists | CD | 7 | |
| リトルバスターズ! | Rita | CD | 6 | |
| リトルバスターズ! | Rita | CD | 6 | |
| planetarian DRAMA CD BOX 2: Jerusalem | Various Artists | CD | 7 | |
| planetarian ドラマCD 最終章 星の人 | Various Artists | 2×CD | 7 + 7 | |
| semicrystalline. Little Busters! original arrange album. | Various Artists | CD | 10 | |
| リトルバスターズ! Original Soundtrack | Various Artists | 3×CD | 20 + 20 + 13 | |
| リトルバスターズ! ORIGINAL SOUNDTRACK | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 53 | |
| メグメル / だんご大家族 | eufonius / 茶太 | CD | 7 | |
| Little Busters! Arrange Album: Rockstar Busters! | MintJam | CD | 12 | |
| リトルバスターズ! キャラクターソング ~鈴~ 「鈴の密かな恋の唄 / Mission:Love sniper」 | 棗鈴 | CD | 4 | |
| OTSU Club Music Compilation, Volume 2 | OTSU | 2×CD | 8 + 6 | |
| Little Busters! Analog Collector's Edition - Little Busters!/遥か彼方/Alicemagic | Rita | Vinyl | 6 | |
| KSL LIVE WORLD 2008 Pamphlet and Memorial Disc | Various Artists | 2×CD | 6 + 2 | |
| ontology Little Busters!-EX Arrange Album | Various Artists | CD | 9 | |
| リトルバスターズ! エクスタシートラックス | Rita | CD | 15 | |
| 時を刻む唄 / TORCH | Lia | CD | 6 | |
| KSL Live World 2008 ~Way to the Little Busters! EX~ | Various Artists | 2×CD | 17 + 14 | |
| 時を刻む詩 / TORCH -Piano Arrange Disc- | KEY This artist credit has open edits. | CD | 2 | |
| OTSU: Blasterhead | Blasterhead | CD | 8 | |
| Key 10th Memorial Fes Anniversary CD | Various Artists | 2×CD | 5 + 11 | |
| Keyらじ Vol.1 | 折戸伸治, 樋上いたる & ちろ | Data CD + CD | 17 + 1 | |
| 沙耶の眠れるレクイエム/Saya's Song | 風音 | CD | 5 | |
| リトルバスターズ! キャラクターソング ~佳奈多~ 「raison / ピクルスをおいしくするつくりかた」 | 佳奈多(すずき けいこ) | CD | 7 | |
| リトルバスターズ! エクスタシー キャラクターソング 〜佐々美〜 『猫と硝子と円い月 / Alicemagic 〜Aroma Tablet mix〜』 | 佐々美 (民安 ともえ) | CD | 6 | |
| Crow Song | Girls Dead Monster | CD | 3 | |
| one's future | 鈴田美夜子 | CD | 5 | |
| Thousand Enemies | Girls Dead Monster | CD | 3 | |
| KSL Live World 2010 way to the Kud-Wafter Pamphlet | Various Artists | CD + Data CD | 6 + 3 | |
| My Soul, Your Beats! / Brave Song | Lia / 多田葵 | CD + DVD-Video | 6 + 1 | |
| My Soul, Your Beats! / Brave Song | Lia / 多田葵 | CD | 6 | |
| Little Braver | Girls Dead Monster | CD | 3 | |
| クドわふたー Original SoundTrack | Various Artists | CD | 24 | |
| Keep The Beats! | Girls Dead Monster | CD | 13 | |
| Angel Beats! Original Soundtrack | ANANT-GARDE EYES | 2×CD | 27 + 20 | |
| TVアニメ「Angel Beats!」オリジナルサウンドトラック | ANANT-GARDE EYES | 2×CD | 27 + 20 | |
| Angel Beats! Original SoundTrack | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 47 | |
| Girls Dead Monster Starring LiSA Tour 2010 -Keep The Angel Beats!- Pamphlet Music Disc | Girls Dead Monster Starring LiSA | CD + Data CD | 2 + 1 | |
| Last Song | Girls Dead Monster STARRING marina | CD | 3 | |
| 一番の宝物 ~Yui final ver.~ | Girls Dead Monster STARRING LiSA | CD + DVD-Video | 3 + 2 | |
| Ichiban no Takaramono (Yui final ver.) | Girls Dead Monster STARRING LiSA | Digital Media | 3 | |
| KSL Live World 2010 ~way to the Kud-Wafter~ | Various Artists | 3×CD | 14 + 16 + 11 | |
| Albina -Assorted Kudwaf Songs- | 清水準一 | CD | 10 | |
| Philosophyz | 水谷瑠奈 | CD | 6 | |
| Deejay Busters! | Various Artists | CD | 10 | |
| Rewrite | サイキックラバー | CD | 4 | |
| Rewrite Arrange Album 'Soil' | Various Artists | CD | 10 | |
| Key+Lia Best 2001-2010 | Lia | CD | 14 | |
| Keyらじ Vol.2 | Various Artists | Data CD + CD | 15 + 3 | |
| Rewrite Original SoundTrack | Various Artists | 3×CD | 22 + 23 + 18 | |
| Branch Rewrite Arrangement Album | Various Artists | CD | 8 | |
| Kud Wafter Original Sound Track | 清水準一 | CD | 25 | |
| Albina -Assorted Kudwaf Songs- | 清水準一 | CD | 12 | |
| Key+VOCALOID Best selection vol.1 | Key | CD | 11 | |
| Orpheus ~君と奏でる明日へのうた~ | Various Artists | CD | 3 | |
| "Feast" Rewrite Harvest festa! Original SoundTrack | Various Artists | CD | 14 | |
| KEYNOTE -Key Sounds Remix Album- / Soshi Hosoi | Various Artists | CD | 10 | |
| Visual Art's 20th Anniversary Remixes | Various Artists | 2×CD | 12 + 12 | |
| 幸せになる番 | Lia / 多田葵 / Rita / 茶太 | CD | 2 | |
| circle of fifth | 折戸伸治 | 2×CD | 12 + 10 | |
| circle of fifth | 折戸伸治 | 2×CD | 12 + 10 | |
| Little Busters! / Alicemagic 〜TV animation Ver.〜 | Rita | CD + DVD-Video | 6 + 2 | |
| TVアニメーション『リトルバスターズ!』Little Busters! / Alicemagic~TV animation ver.~ | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 6 | |
| KEYNOTE -Key Sounds Remix Album- / Soshi Hosoi | VisualArt's / Key Sounds Label | Digital Media | 10 | |
| KEYNOTE -Key Sounds Remix Album- / Soshi Hosoi | VisualArt's / Key Sounds Label | Digital Media | 10 | |
| KeyCLASSIC | TAMUSIC | CD | 12 | |
| リトルバスターズ/クドわふたー Piano Arrange Album -ripresa- | 坂東美佳 | CD | 10 | |
| Boys be smile / 目覚めた朝にはきみが隣に | 鈴湯 | CD | 6 | |
| 君とのなくしもの / 涙色の翼 | 北沢綾香 | CD | 5 | |
| Little Busters! character song "raison / Pickles wo Oishiku Suru Tsukurikata" | VISUAL ARTS / Key | Digital Media | 7 | |
| リトルバスターズ! キャラクターソング ~佳奈多~ | VISUAL ARTS / Key This artist credit has open edits. | Digital Media | 7 | |
| リトルバスターズキャラクターソング "raison / ピクルスをおいしくするつくりかた" | VISUAL ARTS / Key | Digital Media | 7 | |
| リトルバスターズ! ~Refrain~ Original SoundTrack | Various Artists | CD | 17 | |
| Rewrite & Rewrite Hf! Arrange Album "dye mixture" | MintJam | CD | 10 | |
| リトルバスターズ! パーフェクトボーカルコレクション | Various Artists | 2×CD | 12 + 11 | |
| nature couleur | 北沢綾香 | CD | 11 | |
| rare tracks | Girls Dead Monster | CD | 3 | |