2004

• [Single Album] Sotsugyō Time

2005

• [Single Album] Boku no Kimochi

2006

• [Single Album] 5CM
• [Single Album] Hava Rava
• [Single Album] Ready Go!
• ✔ [Single Album] Bokura no Love Story
• [Studio Album] Sotsugyō Time: Bokura no Hajimari
• [Video Album] WaT Entertainment Show 2006 Act "do" Live Vol.4
• [Video Album] My Favorite Girl-the movie-

2007

• ✔ [Studio Album] WaT Collection
• [Solo Album/Single Album] Wentz Eiji - Awaking Emotion 8/5
• [Solo Album/Single Album] Koike Teppei - Kimi ni Okuru Uta
• [Solo Album/Single Album] Koike Teppei - my brand new way
• [Solo Album/Studio Album] pieces

2008

• [Single Album] Yume no Tochū
• [Single Album] Toki o Koete: Fantastic World
• [Single Album] 36 do
• [Video Album] WaT Live Tour 2008
• [Video Album] WaT　Music Video Collection

2009

• [Solo Album/Single Album] Koike Teppei - Kimi Dake
• [Solo Album/Studio Album] Jack in the Box

2010

• [Single Album] Kimi ga boku ni kiss o shita
• [Single Album] 24/7~ Mou Ichido

2016

• [Studio Album] Sotsugyou BEST