Duets consists of two people singing a song together. The pairs are currently unnamed.
Chinen Hiroshi & Hirakoba Rin[]
Rakuen e[]
- Rakuen e
- Don't Stop [Chinen Hiroshi]
- Churaumi POWER da ne [Hirakoba Rin]
- Rakuen e (Original Karaoke)
Fuji Syuusuke & Tezuka Kunimitsu[]
Koko de Bokura wa Deatte Shimatta[]
- Koko de Bokura wa Deatte Shimatta
- Ryusen no Michiyuki [Fuji Syuusuke]
- Koko de Bokura wa Deatte Shimatta (Karaoke with SF)
- Koko de Bokura wa Deatte Shimatta (Karaoke with KT)
- Koko de Bokura wa Deatte Shimatta (Original Karaoke)
- Hitomi wo Tojite Kokoro no Mama Boku wa Kimi wo Omou (2008 memorial title version) [Fuji Syuusuke]
Shishido Ryou & Ootori Choutarou[]
W-Rainbow[]
- W-rainbow
- Enemy (Ryo Shishido)
- Ame wa Sasayaki no Cannon (Chotaro Otori)
- W-rainbow (Original Karaoke)
Tachibana Kippei & Kamio Akira[]
Prism[]
- Prism
- Spirits of Hunter~Jishi no Shinnen [Tachibana Kippei]
- Ace of Aces [Kamio Akira]
- Prism (Original Karaoke)
Tezuka Kunimitsu & Sanada Genichirou[]
Banana No Namida[]
- Banana No Namida
- Banana no Namida (Original Karaoke)
- Bonus Track: Arigatou Tezuka
Zousan no Scanty[]
- Zousan no Scanty
- Zousan no Scanty (Original Karaoke)
- Bonus Track: Tayori ni naru Tezuka
Sabishii Nettaigyo[]
- Sabishii Nettaigyo
- Sabishii Nettaigyo (Original Karaoke)
- Bonus Track: Sanada no Nettaigyo
Yanagi Renji & Niou Masaharu[]
Trick, Fake, or Truth[]
- Trick, Fake, or Truth
- Kioku no Hari [Yanagi Renji]
- Hot Illusion [Niou Masaharu]
- Trick, Fake, or Truth (Original Karaoke)
Oishi Shuuichirou and Kikumaru Eiji[]
Type wa D[]
- Oishi Shuuichirou & Kikumaru Eiji - Type wa D!
- Song for Us [Oishi Shuuichirou]
- Kore ga Seishun da! [Kikumaru Eiji]
- Type wa D! (Instrumental version)
Echizen Ryoma & Kintarō Tōyama[]
50/50[]
- 50/50
- Hanabira no Yukue (Ryoma Echizen)
- Kintaroh's song (Kintarō Tōyama)
- Original Karaoke
Marui Bunta & Kite Eishirou[]
Side by Side[]
- Side by Side
- Side by Side (Original Karaoke)
- Side by Side (Kite Off Vocal Ver)
- Side by Side (Marui Off Vocal Ver)
Konjiki Koharu & Yuji Hitouji[]
More Teppan Song[]
- More 鉄板ソング
- More 鉄板ソング(Original Karaoke)
- トークタイム ~そもそも鉄板とは?~
Nio Masaharu & Yagyu Hiroshi[]
Last Phase[]
- Last Phase
- Last Phase (Original Karaoke)
- トークタイム 〜一人芝居!? からのフリートーク〜 [ボーナストラック] (Talk Time -Hitori Shibai!? Kara no Free Talk-)