| 13cm | ||
| Synthetic Organism | Vocal | Outer |
| Title | 発情カルテ -緋色の陵辱肉玩具- | |
| Album | - | |
| AIL | ||
| 氷結の夜 | Vocal | 島宮えい子 |
| Title | 真・瑠璃色の雪〜振り向けば隣に〜 | |
| Album | verge | |
| 子守唄 | Vocal | 島宮えい子 |
| Title | 真・瑠璃色の雪〜振り向けば隣に〜 | |
| Album | - | |
| 瑠璃色の雪〜振り向けば隣に | Vocal | TAKAMI |
| Title | 真・瑠璃色の雪〜振り向けば隣に〜 | |
| Album | - | |
| Abogado Powers / PrincessSoft | ||
| resolusion of soul | Vocal | KOTOKO |
| Title | D+VINE[LUV] | |
| Album | - | |
| Alicesoft | ||
| Crossed Destiny | Vocal | KOTOKO |
| Title | Only you -リ・クルス- | |
| Album | - | |
| Crossed Destiny -FISH TONE Mix- | Vocal | KOTOKO |
| Title | Only you -リ・クルス- | |
| Album | - | |
| Altemis | ||
| complex | Vocal | 橘うさぎ |
| Title | 生贄 | |
| Album | Eye's Blue | |
| ANIM | ||
| I pray to stop my cry | Vocal | KOTOKO |
| Title | 凌辱看護婦学院 | |
| Album | - | |
| DROWNING | Vocal | モモ |
| Title | 凌辱痴漢地獄 | |
| Album | - | |
| I pray to stop my cry -little sea style- | Vocal | まみ |
| Title | 凌辱痴漢地獄 | |
| Album | - | |
| Aypio | ||
| SAVE YOUR HEART | Vocal | KOTOKO TO AKI |
| Title | 注射器2 | |
| Album | - | |
| BLUE GALE | ||
| My Dear アレながおじさん | Vocal | Orihime |
| Title | My Dear アレながおじさん | |
| Album | Vent Azure | |
| Love Generarion | Vocal | Orihime |
| Title | My Dear アレながおじさん | |
| Album | Vent Azure | |
| 季節の雫 | Vocal | R.I.E |
| Title | PILE☆DRIVER | |
| Album | Vent Azure / regret | |
| Take me high | Vocal | R.I.E |
| Title | PILE☆DRIVER | |
| Album | Vent Azure / verge | |
| Cross talk | Vocal | MARY |
| Title | ツグナヒ | |
| Album | Vent Azure / regret | |
| bite on the bullet | Vocal | INOSUKE TSUTSUMI |
| Title | Treating 2U | |
| Album | Vent Azure | |
| Treating 2U | Vocal | INOSUKE TSUTSUMI |
| Title | Treating 2U | |
| Album | Vent Azure | |
| FLY TO THE TOP | Vocal | MELL |
| Title | MAVERICK MAX | |
| Album | - | |
| Over | Vocal | AKI |
| Title | MAVERICK MAX | |
| Album | Dear Feeling | |
| L.A.M (laze and meditation) | Vocal | Outer |
| Title | 懲らしめ〜狂育的指導〜 | |
| Album | - | |
| You're my treasure | Vocal | AKI & KOTOKO & RIMIKKA |
| Title | SPOT LIGHT〜羨望と欲望の狭間〜 | |
| Album | - | |
| Change my Style 〜あなた好みの私に〜 | Vocal | KOTOKO |
| Title | コスって！ My Honey | |
| Album | - | |
| Bonbee! | ||
| 新しい恋のかたち (short version) | Vocal | AKI |
| Title | Ribbon2 | |
| Album | regret | |
| 新しい恋のかたち | Vocal | Unknown |
| Title | ALMA〜ずっとそばに…〜 | |
| Album | - | |
| Crime | ||
| とおりゃんせ | Vocal | 島宮えい子 |
| Title | とおりゃんせ | |
| Album | G-MIX | |
| とおりゃんせ Voice Ver | Vocal | 島宮えい子 |
| Title | とおりゃんせ | |
| Album | - | |
| Now and Heaven PEKO Ver | Vocal | PEKO |
| Title | 淫らな罪〜悦楽の終日〜 | |
| Album | - | |
| Now and Heaven KOTOKO Ver | Vocal | KOTOKO |
| Title | 淫らな罪〜悦楽の終日〜 | |
| Album | - | |
| The where abouts in the sun | Vocal | MOMO |
| Title | 淫らな罪〜悦楽の終日〜 | |
| Album | - | |
| CRAFTWORK | ||
| comment te dire adieu | Vocal | MELL |
| Title | さよならを教えて〜comment te dire adieu | |
| Album | - | |
| CROWD | ||
| 魅惑の花園 〜「狂*師」のススメ〜 (BODY&SOUL Japanese Version) |
Vocal | Yukko |
| Title | 狂*師〜ねらわれた制服〜 | |
| Album | - | |
| Please Save Me | Vocal | Yukko |
| Title | 狂*師〜ねらわれた制服〜 | |
| Album | - | |
| そよ風の行方 | Vocal | 片桐明日香 |
| Title | Xchange-2- | |
| Album | - | |
| 今、この瞬間が… | Vocal | 片桐明日香 |
| Title | Xchange-2- | |
| Album | - | |
| Take on your will | Vocal | AKI |
| Title | 同心〜三姉妹のエチュード〜 | |
| Album | verge | |
| RIDE | Vocal | AKI |
| Title | 同心〜三姉妹のエチュード〜 | |
| Album | verge | |
| 悲しみの花 | Vocal | MELL |
| Title | 復讐〜凌辱の刃〜 | |
| Album | - | |
| 風と君を抱いて | Vocal | 川田まみ |
| Title | miss you | |
| Album | - | |
| D.O. | ||
| 同じ空の下で | Vocal | KOTOKO |
| Title | 家族計画 | |
| Album | - | |
| philosophy | Vocal | MOMO |
| Title | 家族計画 | |
| Album | - | |
| doors | ||
| Feel in tears | Vocal | KOTOKO |
| Title | HEART OF HEARTS | |
| Album | G-MIX | |
| Heart of Hearts | Vocal | KOTOKO |
| Title | HEART OF HEARTS | |
| Album | - | |
| Dress | ||
| cross my heart | Vocal | 島宮えい子 |
| Title | innocent world | |
| Album | - | |
| Electriciteit | ||
| flow〜水の生まれた場所〜 | Vocal | KOTOKO |
| Title | 水素〜1/2の奇蹟〜 | |
| Album | - | |
| YA・KU・SO・KU | Vocal | KOTOKO |
| Title | 水素〜1/2の奇蹟〜 | |
| Album | - | |
| ESCAPE SOFTWARE | ||
| PREY | Vocal | 島宮えい子 |
| Title | NIGHTMARE4.1 | |
| Album | - | |
| PREY REMIX | Vocal | SHIHO |
| Title | NIGHTMARE4.1SoundEdition | |
| Album | - | |
| EMU | ||
| Color of Happiness | Vocal | AKI |
| Title | るな・シーズン〜150分の1の恋人 | |
| Album | - | |
| 夏草の線路 | Vocal | KOTOKO TO AKI |
| Title | Railway〜ここにある夢〜 | |
| Album | - | |
| 夏草の線路 Long ??? version | Vocal | KOTOKO TO AKI |
| Title | Railway〜ここにある夢〜 | |
| Album | - | |
| 雨に歌う譚詩曲 | Vocal | KOTOKO |
| Title | 雨に歌う譚詩曲〜A rainbow after the rain〜 | |
| Album | - | |
| IMAGECRAFT | ||
| I-DOLL 〜song of eternity〜 | Vocal | Unknown |
| Title | I-DOLL | |
| Album | - | |
| JANIS | ||
| 涙の誓い | Vocal | KOTOKO |
| Title | とらいあんぐるハート3 | |
| Album | - | |
| 君と出会えた季節 | Vocal | MELL |
| Title | とらいあんぐるハート3 | |
| Album | - | |
| See you 〜小さな永遠〜 | Vocal | KOTOKO&MELL |
| Title | とらいあんぐるハート3 | |
| Album | - | |
| 君よ、優しい風になれ | Vocal | KOTOKO |
| Title | とらいあんぐるハート3 リリカルおもちゃ箱 | |
| Album | - | |
| Key | ||
| Last regrets | Vocal | 彩菜 |
| Title | Kanon | |
| Album | anemoscope / regret | |
| 風の辿り着く場所 | Vocal | 彩菜 |
| Title | Kanon | |
| Album | anemoscope / regret | |
| 鳥の詩 | Vocal | Lia |
| Title | AIR | |
| Album | verge / Ornithopter | |
| KONAMI | ||
| IF YOU WERE HERE | Vocal | Jennifer |
| Title | DDR2ndMix | |
| Album | DANCEMANIA6 | |
| MBS TRUTH | ||
| GREEDY | Vocal | MOMO |
| Title | 失格医師 | |
| Album | - | |
| MOON | ||
| Dreamer | Vocal | 島宮えい子 |
| Title | せんぱい | |
| Album | verge | |
| Dreamer remix | Vocal | 島宮えい子 |
| Title | せんぱい | |
| Album | - | |
| OPTiM | ||
| Dream to new world | Vocal | MIKI |
| Title | こすちゅ〜む | |
| Album | regret | |
| Fall in Love | Vocal | MELL |
| Title | こすちゅ〜む | |
| Album | verge | |
| otherwize | ||
| sacred words | Vocal | 島宮えい子 |
| Title | sence off | |
| Album | - | |
| birthday eve | Vocal | SHIHO |
| Title | sence off | |
| Album | - | |
| Kiss the Future | Vocal | SHIHO |
| Title | 未来にキスを | |
| Album | - | |
| OVER | ||
| 遮光 | Vocal | KOTOKO |
| Title | Coda -棘- | |
| Album | - | |
| Oz project | ||
| Two face | Vocal | AKI |
| Title | BABY FACE | |
| Album | verge | |
| Radi | ||
| Time heals all sorrows | Vocal | KOTOKO |
| Title | Care 〜癒すべき不治の狂気〜 | |
| Album | - | |
| RAM | ||
| ねがい | Vocal | CHIYO |
| Title | ねがい | |
| Album | - | |
| RATI | ||
| Repeat | Vocal | MELL |
| Title | 堕楽 | |
| Album | Eye's blue | |
| 砂の嵐 | Vocal | MELL |
| Title | 堕楽 | |
| Album | Eye's blue | |
| ruf | ||
| To lose in amber | Vocal | 島宮えい子 |
| Title | 奴隷市場 | |
| Album | - | |
| 祈りの時代 | Vocal | MELL |
| Title | 奴隷市場 | |
| Album | - | |
| Satirize | Vocal | 宮崎麻芽&KOTOKO |
| Title | 螺旋回廊２ | |
| Album | - | |
| SAGA PLANETS | ||
| Pure Heart 〜世界で一番アナタが好き〜 | Vocal | AKI |
| Title | Pure Heart〜世界で一番アナタが好き〜 | |
| Album | verge | |
| 恋愛CHU！ AKI Ver. | Vocal | KOTOKO TO AKI |
| Title | 恋愛CHU! 彼女の秘密はオトコのコ？ | |
| Album | - | |
| 恋愛CHU！ KOTOKO Ver. | Vocal | KOTOKO TO AKI |
| Title | 恋愛CHU! 彼女の秘密はオトコのコ？ | |
| Album | - | |
| 恋愛CHU！パラパラリミックス１ AKI Ver. |
Vocal | KOTOKO TO AKI |
| Title | もっとLoveちゅ！ | |
| Album | ハッピー☆カムカム マキシシングル | |
| 恋愛CHU！パラパラリミックス１ KOTOKO Ver. |
Vocal | KOTOKO TO AKI |
| Title | もっとLoveちゅ！ | |
| Album | ハッピー☆カムカム マキシシングル | |
| 恋愛CHU！パラパラリミックス２ AKI Ver. |
Vocal | KOTOKO TO AKI |
| Title | もっとLoveちゅ！ | |
| Album | ハッピー☆カムカム マキシシングル | |
| 恋愛CHU！パラパラリミックス２ KOTOKO Ver. |
Vocal | KOTOKO TO AKI |
| Title | もっとLoveちゅ！ | |
| Album | ハッピー☆カムカム マキシシングル | |
| いっしょにね〜幸せのある場所〜 | Vocal | SHIHO |
| Title | もっとLoveちゅ！ | |
| Album | ハッピー☆カムカム マキシシングル | |
| SELEN | ||
| Belvedia | Vocal | SHIHO |
| Title | DEEP/ZERO | |
| Album | - | |
| Belvedia -REMIX- | Vocal | SHIHO |
| Title | DEEP/ZERO | |
| Album | - | |
| sensitive | Vocal | KOTOKO |
| Title | 犠母妹 〜背徳の狂宴〜 | |
| Album | - | |
| sensitive REMIX | Vocal | KOTOKO |
| Title | 犠母妹 〜背徳の狂宴〜 | |
| Album | - | |
| 想い出は風の中で… | Vocal | KOTOKO |
| Title | 犠母妹 〜背徳の狂宴〜 | |
| Album | - | |
| 想い出は風の中で… REMIX | Vocal | KOTOKO |
| Title | 犠母妹 〜背徳の狂宴〜 | |
| Album | - | |
| sensitive2001 | Vocal | PEKO |
| Title | 犠母妹 MINI FANDISC | |
| Album | - | |
| sensitive2001 REMIX | Vocal | SHIHO |
| Title | 犠母妹 MINI FANDISC | |
| Album | - | |
| Fortress | Vocal | PEKO |
| Title | Deep Fantasy | |
| Album | - | |
| Time rolls on... | Vocal | KOTOKO |
| Title | Deep Fantasy | |
| Album | - | |
| Fortress -D.F style- | Vocal | SHIHO |
| Title | Deep Fantasy | |
| Album | - | |
| Time rolls on... FISH TONE mix | Vocal | YUCCO |
| Title | Deep Fantasy | |
| Album | - | |
| Unknown | Vocal | Unknown |
| Title | 連鎖2 | |
| Album | - | |
| SoftwareHouse PARSLEY | ||
| Around the mind | Vocal | 島宮えい子 |
| Title | ファントムナイト 夢幻の迷宮II | |
| Album | verge | |
| Velocity of sound | Vocal | MOMO |
| Title | ソニックプリンセス | |
| Album | - | |
| Studio Mevius | ||
| verge | Vocal | 島宮えい子 |
| Title | 絶望PLUS | |
| Album | verge | |
| Unknown | Vocal | Unknown |
| Title | SNOW | |
| Album | - | |
| Studio Orphee | ||
| LOVE A RIDDLE | Vocal | KOTOKO |
| Title | お*ね*て*ぃ | |
| Album | - | |
| I can't get over your best smile | Vocal | KOTOKO |
| Title | お*ね*て*ぃ | |
| Album | - | |
| Shooting Star | Vocal | KOTOKO |
| Title | おねがい☆ティーチャー | |
| Album | - | |
| 空の森で | Vocal | 川田まみ |
| Title | おねがい☆ティーチャー | |
| Album | - | |
| いつも思っていること | Vocal | 井上喜久子 |
| Title | おねがい☆ティーチャー | |
| Album | セレソン | |
| そらは語らない | Vocal | 井上喜久子 |
| Title | おねがい☆ティーチャー | |
| Album | セレソン | |
| あの日の君へ | Vocal | KOTOKO |
| Title | おねがい☆ティーチャー | |
| Album | おねがい☆ティーチャー メモリーズSpecial | |
| Sweet Basil | ||
| Ever stay snow | Vocal | SHIHO |
| Title | Snow Drop | |
| Album | - | |
| 冬空の軌跡 | Vocal | 島宮えい子 |
| Title | Snow Drop | |
| Album | - | |
| tetra | ||
| mirabilis | Vocal | KOTOKO |
| Title | B 〜蒼き背徳〜 | |
| Album | G-MIX | |
| T.G.L / 戯画 | ||
| Wing my Way | Vocal | KOTOKO |
| Title | ファーランドシンフォニー | |
| Album | - | |
| あちちな夏の物語り | Vocal | KOTOKO |
| Title | Ripple〜ブルーシールへようこそっ〜 | |
| Album | - | |
| U･Me Soft | ||
| ガラスの月 | Vocal | 島宮えい子 |
| Title | D*S1&2(DAWN*SLAVE 1&2 Pack) | |
| Album | verge | |
| Days of promise | Vocal | SHIHO |
| Title | D*S1&2(DAWN*SLAVE 1&2 Pack) | |
| Album | verge | |
| XYZ | ||
| uneasy | Vocal | 彩菜 |
| Title | 略奪 緊縛の館 完結編 | |
| Album | Eye's blue / verge | |
| ZERO | ||
| I Will… | Vocal | MARY |
| Title | Sweet Palace | |
| Album | regret | |
| Sweet〜恋しくて | Vocal | AKI |
| Title | Sweet Palace | |
| Album | regret | |
| One small day | Vocal | AKI |
| Title | Sweet Palace | |
| Album | regret | |
| I KNOW GOTTA YOU LOVE | Vocal | Unknown |
| Title | Sweet Palace | |
| Album | - | |
| FUCK ME | Vocal | 美姫 |
| Title | 吐溜 TRASH | |
| Album | regret | |
| 美しく生きたい | Vocal | MELL |
| Title | 吐溜 TRASH | |
| Album | regret | |
| Grow me | Vocal | AKI |
| Title | いいなり | |
| Album | verge | |
| 裸足少女 | ||
| Close to me… | Vocal | KOTOKO |
| Title | effect〜悪魔の仔 | |
| Album | - | |
| Magical Sweetie | Vocal | KOTOKO |
| Title | お姫様だっこ〜天使にオシオキ〜 | |
| Album | - | |
| I've ORIGINAL | ||
| そよ風の行方 | Vocal | AKI |
| Title | - | |
| Album | regret | |
| My Dear アレながおじさん 裏Version | Vocal | Orihime |
| Title | - | |
| Album | MyDearアレながおじさん完全制覇CD-ROM | |
| 季節の雫 another expression | Vocal | Unknown |
| Title | - | |
| Album | PILE☆DRIVER完全制覇CD-ROM | |
| Last regrets X'mas Floor Style | Vocal | 島宮えい子 |
| Title | - | |
| Album | regret | |
| Now and Heaven | Vocal | 島宮えい子 |
| Title | - | |
| Album | Eye's blue / verge | |
| bite on the bullet -under mellow style- | Vocal | MAKO |
| Title | - | |
| Album | verge | |
| Treating 2U -wrap up style- | Vocal | MAKO |
| Title | - | |
| Album | verge | |
| Never forget this time | Vocal | MAKO |
| Title | - | |
| Album | verge | |
| 空より近い夢 | Vocal | MELL&MIKI |
| Title | - | |
| Album | verge | |
| freak of nature:start | Vocal | 彩菜 |
| Title | - | |
| Album | verge | |
| freak of nature:end | Vocal | 彩菜 |
| Title | - | |
| Album | verge | |
| Discrimination | Vocal | 彩菜 |
| Title | - | |
| Album | verge | |
| prime | Vocal | KOTOKO TO AKI |
| Title | - | |
| Album | Dear Feeling | |
| 空より近い夢 second track | Vocal | KOTOKO TO AKI |
| Title | - | |
| Album | Dear Feeling | |
| 明日の向こう | Vocal | KOTOKO |
| Title | - | |
| Album | Dear Feeling | |
| I Am Calling You I've Remix | Vocal | 彩菜 |
| Title | - | |
| Album | I Am Calling You | |
| uneasy I've New Remix Version | Vocal | MOMO |
| Title | - | |
| Album | G-MIX | |
| repeat I've New Remix Version | Vocal | KOTOKO |
| Title | - | |
| Album | G-MIX | |
| スカラベの祈り Brown Sugar Version | Vocal | 島宮えい子 |
| Title | - | |
| Album | hologram | |
| FUCK ME Radioactivity MIX | Vocal | SHIHO |
| Title | - | |
| Album | C-LICK | |
| VERGE REVIVE MIX | Vocal | 島宮えい子 |
| Title | - | |
| Album | C-LICK | |
| I Pray To Stop My Cry NINE BALL MIX | Vocal | MAKO |
| Title | - | |
| Album | C-LICK | |
| ひとりごと | Vocal | KOTOKO |
| Title | - | |
| Album | hitorigoto | |
| 疾風雲 | Vocal | KOTOKO |
| Title | - | |
| Album | hitorigoto | |
| SHIFT -世代の向こう- | Vocal | Lia |
| Title | - | |
| Album | SHIFT -世代の向こう- | |
| SHIFT World Wide Mix | Vocal | Lia |
| Title | - | |
| Album | SHIFT -世代の向こう- | |