| 5/12/2001 | LOVE A RIDDLE | |
|
1. | LOVE A RIDDLE |
| 2. | ~Hana~ (~花~) | |
| 3. | Back Image Music | |
| 4. | ~Hoshi~ (~星~) | |
| 5. | I can't get over your best smile | |
| 6. | ~Teru~ (~星~) | |
| 7. | Back Image Music (Maxi ver.) | |
| 8. | ~Tabun~ (~多分~) | |
| 9. | LOVE A RIDDLE (Instrumental) | |
| 10. | ~Kasoku~ (~加速~) | |
| 11. | I can't get over your best smile (Instrumental) | |
| 29/12/2001 | Hitorigoto (ひとりごと) | |
|
1. | Hitorigoto (ひとりごと) |
| 2. | Hayategumo (疾風雲) | |
| 3. | Hitorigoto (ひとりごと) (Karaoke) | |
| 4. | Hayategumo (疾風雲) (Karaoke) | |
| 5. | Hitorigoto (ひとりごと) (Instrumental) | |
| 6. | Hayategumo (疾風雲) (Instrumental) | |
| 11/8/2004 | Oboetete Ii yo (覚えてていいよ) / DuDiDuWa*lalala | |
|
1. | Oboetete Ii yo (覚えてていいよ) |
| 2. | DuDiDuWa*lalala | |
| 3. | Oboetete Ii yo (覚えてていいよ) (Instrumental) | |
| 4. | DuDiDuWa*lalala (Instrumental) | |
| 17/11/2004 | Re-sublimity (CD) | |
|
1. | Re-sublimity |
| 2. | agony | |
| 3. | Suppuration -core- | |
| 4. | Re-sublimity (Instrumental) | |
| 5. | agony (Instrumental) | |
| 17/11/2004 | Re-sublimity (CD+DVD) | |
|
1. | Re-sublimity |
| 2. | agony | |
| 3. | Suppuration -core- | |
| 4. | Re-sublimity (Instrumental) | |
| 5. | agony (Instrumental) | |
| DVD: | ||
| 1. | Re-sublimity (Animation PV) | |
| 2. | Suppuration -core- (Animation PV) | |
| 13/10/2005 | 421 -a will- (CD) | |
|
1. | 421 -a will- |
| 2. | Shuusou (秋爽) | |
| 3. | 421 -a will- (Instrumental) | |
| 4. | Shuusou (秋爽) (Instrumental) | |
| 13/10/2005 | 421 -a will- (CD+DVD) | |
|
1. | 421 -a will- |
| 2. | Shuusou (秋爽) | |
| 3. | 421 -a will- (Instrumental) | |
| 4. | Shuusou (秋爽) (Instrumental) | |
| DVD: | ||
| 1. | 421 -a will- (PV) | |
| 2. | 421 -a will- (Making) | |
| 23/3/2006 | being (CD) | |
|
1. | being |
| 2. | Sekka no Shinwa (雪華の神話) | |
| 3. | being (Instrumental) | |
| 4. | Sekka no Shinwa (雪華の神話) (Instrumental) | |
| 23/3/2006 | being (CD+DVD) | |
|
1. | being |
| 2. | Sekka no Shinwa (雪華の神話) | |
| 3. | being (Instrumental) | |
| 4. | Sekka no Shinwa (雪華の神話) (Instrumental) | |
| DVD: | ||
| 1. | being (PV) | |
| 5/10/2006 | Chercher (シャルシェ) (CD) | |
|
1. | Chercher (シャルシェ) |
| 2. | Tsukiyo no Butoukai (月夜の舞踏会) | |
| 3. | Chercher (シャルシェ) (Instrumental) | |
| 4. | Tsukiyo no Butoukai (月夜の舞踏会) (Instrumental) | |
| 5/10/2006 | Chercher (シャルシェ) (CD+DVD) | |
|
1. | Chercher (シャルシェ) |
| 2. | Tsukiyo no Butoukai (月夜の舞踏会) | |
| 3. | Chercher (シャルシェ) (Instrumental) | |
| 4. | Tsukiyo no Butoukai (月夜の舞踏会) (Instrumental) | |
| DVD: | ||
| 1. | Chercher (シャルシェ) (PV) | |
| 7/3/2007 | Kirei na Senritsu (きれいな旋律) (CD) | |
|
1. | Kirei na Senritsu (きれいな旋律) |
| 2. | rush | |
| 3. | Kirei na Senritsu (きれいな旋律) (Instrumental) | |
| 4. | rush (Instrumental) | |
| 7/3/2007 | Kirei na Senritsu (きれいな旋律) (CD+DVD) | |
|
1. | Kirei na Senritsu (きれいな旋律) |
| 2. | rush | |
| 3. | Kirei na Senritsu (きれいな旋律) (Instrumental) | |
| 4. | rush (Instrumental) | |
| DVD: | ||
| 1. | Kirei na Senritsu (きれいな旋律) (PV) | |
| 23/5/2007 | Hayate no Gotoku! (ハヤテのごとく!) (CD) | |
|
1. | Hayate no Gotoku! (ハヤテのごとく!) |
| 2. | Nakitakattanda (泣きたかったんだ) | |
| 3. | Hayate no Gotoku! (ハヤテのごとく!) (Instrumental) | |
| 4. | Nakitakattanda (泣きたかったんだ) (Instrumental) | |
| 23/5/2007 | Hayate no Gotoku! (ハヤテのごとく!) (CD+DVD) | |
|
1. | Hayate no Gotoku! (ハヤテのごとく!) |
| 2. | Nakitakattanda (泣きたかったんだ) | |
| 3. | Hayate no Gotoku! (ハヤテのごとく!) (Instrumental) | |
| 4. | Nakitakattanda (泣きたかったんだ) (Instrumental) | |
| DVD: | ||
| 1. | Hayate no Gotoku! (ハヤテのごとく!) (PV) | |
| 17/10/2007 | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) (CD) | |
|
1. | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) |
| 2. | scene | |
| 3. | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) (Instrumental) | |
| 4. | scene (Instrumental) | |
| 17/10/2007 | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) (CD+DVD) | |
|
1. | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) |
| 2. | scene | |
| 3. | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) (Instrumental) | |
| 4. | scene (Instrumental) | |
| DVD: | ||
| 1. | Shichitenhakki☆Shijoushugi! (七転八起☆至上主義!) (PV) | |
| 19/12/2007 | Real Onigokko (リアル鬼ごっこ) (CD) | |
|
1. | Real Onigokko (リアル鬼ごっこ) |
| 2. | siren | |
| 3. | Real Onigokko (リアル鬼ごっこ) (Instrumental) | |
| 4. | siren (Instrumental) | |
| 19/12/2007 | Real Onigokko (リアル鬼ごっこ) (CD+DVD) | |
|
1. | Real Onigokko (リアル鬼ごっこ) |
| 2. | siren | |
| 3. | Real Onigokko (リアル鬼ごっこ) (Instrumental) | |
| 4. | siren (Instrumental) | |
| DVD: | ||
| 1. | Real Onigokko (リアル鬼ごっこ) (PV) | |
| 12/3/2008 | BLAZE (CD) | |
|
1. | BLAZE |
| 2. | Sociometry | |
| 3. | BLAZE (Instrumental) | |
| 4. | Sociometry (Instrumental) | |
| 12/3/2008 | BLAZE (CD+DVD) | |
|
1. | BLAZE |
| 2. | Sociometry | |
| 3. | BLAZE (Instrumental) | |
| 4. | Sociometry (Instrumental) | |
| DVD: | ||
| 1. | BLAZE (PV) | |
| 21/5/2008 | Special Life! (CD) | |
|
1. | Special Life! |
| 2. | capriccio ~Kokoro wa Itsumo Kumori Nochi Hare~ (capriccio~心はいつも曇りのち晴れ~) | |
| 3. | Special Life! (Instrumental) | |
| 4. | capriccio ~Kokoro wa Itsumo Kumori Nochi Hare~ (capriccio~心はいつも曇りのち晴れ~) (Instrumental) | |
| 21/5/2008 | Special Life! (CD+DVD) | |
|
1. | Special Life! |
| 2. | capriccio ~Kokoro wa Itsumo Kumori Nochi Hare~ (capriccio~心はいつも曇りのち晴れ~) | |
| 3. | Special Life! (Instrumental) | |
| 4. | capriccio ~Kokoro wa Itsumo Kumori Nochi Hare~ (capriccio~心はいつも曇りのち晴れ~) (Instrumental) | |
| DVD: | ||
| 1. | Special Life! (PV) | |
| 3/12/2008 | U make Ai dream (U make 愛 dream) | |
|
1. | U make Ai dream (U make 愛 dream) |
| 2. | U make Ai dream (U make 愛 dream) (karaoke version) | |
| 3. | U make Ai dream (U make 愛 dream) (Instrumental) | |
| 24/6/2009 | Ao-iconoclast (蒼-iconoclast) / PIGEON-the green-ey'd monster | |
| 1. | Ao-iconoclast (蒼-iconoclast) | |
| 2. | PIGEON-the green-ey'd monster | |
| 3. | Ao-iconoclast (蒼-iconoclast) (Instrumental) | |
| 4. | PIGEON-the green-ey'd monster (Instrumental) | |
| 24/6/2009 | snIpe (CD+DVD) | |
|
1. | snIpe |
| 2. | Close to me... -I'VE in BUDOKAN 2009 Live Ver.- | |
| 3. | snIpe (Instrumental) | |
| DVD: | ||
| 1. | snIpe (PV) | |
| 2. | "Departed to the future" Chapter 2: KOTOKO | |
| 26/8/2009 | daily-daily Dream (CD) | |
|
1. | daily-daily Dream |
| 2. | Message | |
| 3. | daily-daily Dream (Instrumental) | |
| 4. | Message (Instrumental) | |
| 26/8/2009 | daily-daily Dream (CD+DVD) | |
|
1. | daily-daily Dream |
| 2. | Message | |
| 3. | daily-daily Dream (Instrumental) | |
| 4. | Message (Instrumental) | |
| DVD: | ||
| 1. | daily-daily Dream (PV) | |
| 16/12/2009 | SCREW (CD) | |
|
1. | SCREW |
| 2. | BUCCANEER | |
| 3. | SCREW (Instrumental) | |
| 4. | BUCCANEER (Instrumental) | |
| 16/12/2009 | SCREW (CD+DVD) | |
|
1. | SCREW |
| 2. | BUCCANEER | |
| 3. | SCREW (Instrumental) | |
| 4. | BUCCANEER (Instrumental) | |
| DVD: | ||
| 1. | SCREW (PV) | |
| 7/7/2010 | Hekira no Sora e Izanaedo (碧羅の天へ誘えど) | |
|
1. | Hekira no Sora e Izanaedo (碧羅の天へ誘えど) |
| 2. | Digital Snail (デジタルスネイル) | |
| 3. | Hekira no Sora e Izanaedo (碧羅の天へ誘えど) (Instrumental) | |
| 4. | Digital Snail (デジタルスネイル) (Instrumental) | |
| 20/10/2010 | Loop-the-Loop (CD) | |
|
1. | Loop-the-Loop |
| 2. | Raimei ga Naku Koro (雷鳴が鳴く頃) | |
| 3. | Loop-the-Loop (Instrumental) | |
| 4. | Raimei ga Naku Koro (雷鳴が鳴く頃) (Instrumental) | |
| 20/10/2010 | Loop-the-Loop (CD+DVD) | |
|
1. | Loop-the-Loop |
| 2. | Raimei ga Naku Koro (雷鳴が鳴く頃) | |
| 3. | Loop-the-Loop (Instrumental) | |
| 4. | Raimei ga Naku Koro (雷鳴が鳴く頃) (Instrumental) | |
| DVD: | ||
| 1. | Loop-the-Loop (PV) | |
| 16/11/2011 | Light My Fire (CD) | |
|
1. | Light My Fire |
| 2. | Candy or Chocolate | |
| 3. | Light My Fire (Instrumental) | |
| 4. | Candy or Chocolate (Instrumental) | |
| 16/11/2011 | Light My Fire (CD+DVD) | |
|
1. | Light My Fire |
| 2. | Candy or Chocolate | |
| 3. | Light My Fire (Instrumental) | |
| 4. | Candy or Chocolate (Instrumental) | |
| DVD: | ||
| 1. | Light My Fire (PV) | |
| 2. | Light My Fire (Making of) | |
| 16/5/2012 | →unfinished→ (CD) | |
|
1. | →unfinished→ |
| 2. | Sakura no Ame mo Egi no yo | |
| 3. | →unfinished→ (Instrumental) | |
| 4. | Sakura no Ame mo Egi no yo (Instrumental) | |
| 16/5/2012 | →unfinished→ (CD+DVD) | |
|
1. | →unfinished→ |
| 2. | Sakura no Ame mo Egi no yo | |
| 3. | →unfinished→ (Instrumental) | |
| 4. | Sakura no Ame mo Egi no yo (Instrumental) | |
| DVD: | ||
| 1. | →unfinished→ (PV) | |
| 2. | →unfinished→ (Making of) | |
| 3. | TV-SPOT | |
| 19/12/2012 | Restart (リスタート) | |
|
1. | Restart (リスタート) |
| 2. | Largo | |
| 3. | Restart (リスタート) (Instrumental) | |
| 4. | Largo (Instrumental) | |
| 23/7/2014 | TOUGH INTENTION (CD) | |
|
1. | TOUGH INTENTION |
| 2. | ARCH | |
| 3. | TOUGH INTENTION (Instrumental) | |
| 4. | ARCH (Instrumental) | |
| 23/7/2014 | TOUGH INTENTION (CD+DVD) | |
|
1. | TOUGH INTENTION |
| 2. | ARCH | |
| 3. | TOUGH INTENTION (Instrumental) | |
| 4. | ARCH (Instrumental) | |
| DVD: | ||
| 1. | TOUGH INTENTION (PV) | |
| 2. | TOUGH INTENTION (Making of) | |
| 3. | TOUGH INTENTION (TV-SPOT) | |
| 5/11/2014 | ZoNE-iT (CD) | |
|
1. | ZoNE-iT |
| 2. | call | |
| 3. | ZoNE-iT (Instrumental) | |
| 4. | call (Instrumental) | |
| 5/11/2014 | ZoNE-iT (CD+DVD) | |
|
1. | ZoNE-iT |
| 2. | call | |
| 3. | ZoNE-iT (Instrumental) | |
| 4. | call (Instrumental) | |
| DVD: | ||
| 1. | ZoNE-iT (PV) | |
| 2. | ZoNE-iT (Making of) | |
| 3. | TV-SPOT | |
| 25/3/2015 | Art as (Digital) | |
|
1. | Art as |
| 19/4/2015 | Oboetete Ii yo (覚えてていいよ) (Digital 2015 ver.) | |
|
1. | Oboetete Ii yo (覚えてていいよ) (2015 ver.) |
| 2. | Oboetete Ii yo (覚えてていいよ) (2015 ver.) (Instrumental) | |
| 26/8/2016 | Sign of Suspicion | |
|
1. | Sign of Suspicion |
| 2. | Sign of Suspicion (Karaoke) | |
| 3. | Sign of Suspicion (Instrumental) | |
| - | Soundtrack: | |
| 4. | Wadatsumi no Sasayaki (わだつみのささやき) | |
| 5. | N.L.C.S. | |
| 6. | Unbreakable Heart | |
| 7. | Shouri wa ga ga te ni! (勝利は我が手に!) | |
| 8. | Don't Believe The Truth | |
| 9. | No Weapon Sharper Than Will | |
| 10. | Reimagination | |
| - | Drama: | |
| 11. | Voice Drama Daiichiji Shirakaba Ryou Taisen ~Goukon to iu na no Senjou de~ (Voice Drama 第一次白樺寮大戦 ~合コンという名の戦場で~) | |
| 20/3/2020 | Omoi no Shiori (想いの栞) (Digital) | |
|
1. | Omoi no Shiori (想いの栞) |
| 17/11/2020 | SticK Out (CD) | |
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1. | SticK Out |
| 2. | Hatsuyuki Distance (初雪ディスタンス) | |
| 3. | SticK Out (Instrumental) | |
| 4. | Hatsuyuki Distance (初雪ディスタンス) (Instrumental) | |
| 17/11/2020 | SticK Out (CD+DVD) | |
![]() |
1. | SticK Out |
| 2. | Hatsuyuki Distance (初雪ディスタンス) | |
| 3. | SticK Out (Instrumental) | |
| 4. | Hatsuyuki Distance (初雪ディスタンス) (Instrumental) | |
| DVD: | ||
| 1. | SticK Out (MV) | |
| 27/11/2020 | SWEET×SWEET / NEGAIGOTO (Digital) | |
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1. | SWEET×SWEET |
| 2. | NEGAIGOTO | |
| 3. | SWEET×SWEET (Instrumental) | |
| 4. | NEGAIGOTO (Instrumental) | |
| 19/01/2022 | Fastest! | |
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1. | Fastest! |
| 2. | sweet×spicy・Valentine | |
| 3. | Fastest! (Instrumental) | |
| 4. | sweet×spicy・Valentine (Instrumental) | |
| 07/10/2023 | Puzzle (パズル) (Digital) | |
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1. | Puzzle (パズル) |
| 2. | Puzzle (パズル) (Instrumental) | |
| 26/1/2002 | KOTOKO and Kawada Mami - Shooting Star | |
|
1. | KOTOKO - Shooting Star |
| 2. | Kawada Mami - Sora no Mori de (空の森で) | |
| 3. | Shooting Star (Instrumental) | |
| 4. | Sora no Mori de (空の森で) (Instrumental) | |
| 24/7/2003 | KOTOKO, Sato Hiromi and Kawada Mami - Second Flight | |
|
1. | KOTOKO and Sato Hiromi - Second Flight |
| 2. | Kawada Mami - Asu e no Namida (明日への涙) | |
| 3. | Second Flight (Instrumental) | |
| 4. | Asu e no Namida (明日への涙) (Instrumental) | |
| 23/2/2005 | Kawada Mami and KOTOKO - radiance / Chi ni Kaeru ~On the Earth~ ( 地に還る~on the Earth~) (CD) | |
|
1. | Kawada Mami - radiance |
| 2. | KOTOKO - Chi ni Kaeru ~On the Earth~ (地に還る~on the Earth~) | |
| 3. | radiance (Karaoke) | |
| 4. | Chi ni Kaeru ~On the Earth~ (Karaoke) | |
| 5. | radiance (Instrumental) | |
| 23/2/2005 | Kawada Mami and KOTOKO - radiance / Chi ni Kaeru ~On the Earth~ ( 地に還る~on the Earth~) (CD+DVD) | |
|
1. | Kawada Mami - radiance |
| 2. | KOTOKO - Chi ni Kaeru ~On the Earth~ (地に還る~on the Earth~) | |
| 3. | radiance (Karaoke) | |
| 4. | Chi ni Kaeru ~On the Earth~ (Karaoke) | |
| 5. | radiance (Instrumental) | |
| DVD: | ||
| 1. | Kawada Mami - radiance (PV) | |
| 2. | KOTOKO - Chi ni Kaeru ~On the Earth~ (地に還る~on the Earth~) (PV) | |
| 1/3/2006 | KOTOKO and Kawada Mami - Face of Fact -RESOLUTION Ver.- / undelete | |
|
1. | KOTOKO - Face of Fact -RESOLUTION Ver.- |
| 2. | Kawada Mami - undelete | |
| 3. | Face of Fact (Instrumental) | |
| 4. | undelete (Instrumental) | |
| 29/6/2012 | Orpheus ~Kimi to Kanaderu Ashita e no Uta~ (Orpheus ~君と奏でる明日へのうた~) | |
|
1. | Orpheus ~Kimi to Kanaderu Ashita e no Uta~ (Orpheus ~君と奏でる明日へのうた~) / Lia, Aoi Tada, Mami Kawada, Eiko Shimamiya, KOTOKO, Kaori Utatsuki, Chata, Rita, LiSA |
| 2. | Orpheus ~Kimi to Kanaderu Ashita e no Uta~ (Orpheus ~君と奏でる明日へのうた~) (Ayaka Ver.) / Ayaka Kitazawa | |
| 3. | Orpheus ~Kimi to Kanaderu Ashita e no Uta~ (Orpheus ~君と奏でる明日へのうた~) (Instrumental) | |
| 28/9/2012 | One-Chance!! (KOTOKO & Hiromi Sato) (Digital) | |
|
1. | One-Chance!! |
| 7/8/2013 | Kaiki Shinsei -recurrent nova- (回帰新星 -recurrent nova-) / Natsufu Nostalgia (夏風ノスタルジア) | |
|
1. | Kaiki Shinsei -recurrent nova- (回帰新星 -recurrent nova-) / KOTOKO & Hiromi Sato |
| 2. | Natsufu Nostalgia (夏風ノスタルジア) / KOTOKO & Hiromi Sato | |
| 3. | Kaiki Shinsei -recurrent nova- (回帰新星 -recurrent nova-) (Instrumental) | |
| 4. | Natsufu Nostalgia (夏風ノスタルジア) (Instrumental) | |
| 28/11/2014 | Wings of Courage -Sora wo Koete- (Wings of Courage -空を超えて-) | |
|
1. | Wings of Courage -Sora wo Koete- (Wings of Courage -空を超えて-) / Mami Kawada |
| 2. | INFINITE SKY (Chorus ver.) / KOTOKO | |
| 3. | Sky is the limit (Chorus ver.) / Mami Kawada | |
| 20/7/2016 | PLASMIC FIRE (KOTOKO×ALTIMA) (CD) | |
|
1. | PLASMIC FIRE / KOTOKO×ALTIMA |
| 2. | →unfinished→ (DJ HENTAI MIX) / KOTOKO (Remixed by Kai Kawasaki) | |
| 3. | Burst The Gravity (SHINY Re-Product MIX) / ALTIMA (Remixed by Shinya Saito) | |
| 4. | PLASMIC FIRE (instrumental) | |
| 20/7/2016 | PLASMIC FIRE (KOTOKO×ALTIMA) (CD KOTOKO ver.) | |
|
1. | PLASMIC FIRE / KOTOKO×ALTIMA |
| 2. | TRUE-BLUE / KOTOKO | |
| 3. | PLASMIC FIRE (instrumental) | |
| 4. | TRUE-BLUE (instrumental) | |
| 20/7/2016 | PLASMIC FIRE (KOTOKO×ALTIMA) (CD ALTIMA ver.) | |
|
1. | PLASMIC FIRE / KOTOKO×ALTIMA |
| 2. | MAX CAPACITY / KOTOKO | |
| 3. | PLASMIC FIRE (instrumental) | |
| 4. | MAX CAPACITY (instrumental) | |
| 20/7/2016 | PLASMIC FIRE (KOTOKO×ALTIMA) (CD+DVD) | |
|
1. | PLASMIC FIRE / KOTOKO×ALTIMA |
| 2. | →unfinished→ (DJ HENTAI MIX) / KOTOKO (Remixed by Kai Kawasaki) | |
| 3. | Burst The Gravity (SHINY Re-Product MIX) / ALTIMA (Remixed by Shinya Saito) | |
| 4. | PLASMIC FIRE (instrumental) | |
| DVD: | ||
| 1. | PLASMIC FIRE (PV) | |
| 2. | Making Movie in Macao | |
| 3. | PLASMIC FIRE (TV-SPOT) | |
| 4. | Accel World Infinite∞Burst (PV) | |
| 3/10/2018 | Tatsh - Erika (エリカ) (Full ver.) (feat. KOTOKO) (Digital) | |
|
1. | Erika (エリカ) (Full ver.) (feat. KOTOKO) |
| 03/05/2024 | Touhou LostWord - PHANTOM PAIN (feat. KOTOKO & ZYTOKINE) (Digital) | |
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1. | PHANTOM PAIN (feat. KOTOKO & ZYTOKINE) |
| 11/10/2025 | Maron - Denpa-Tic Mousou Bishoujo Q (電波的妄想美少女Q) feat. KOTOKO (Digital) | |
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1. | Denpa-Tic Mousou Bishoujo Q (電波的妄想美少女Q) feat. KOTOKO |
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