• Tokyo Boy, Tokyo Girl (2008)
• Time Travel: House Cover Of Eternal Songs (2008)

As a-la-i

• Japon EP (2011)
• Touch EP (2011)
• AmanoJack EP (2012)
• Stardust EP (2012)
• Hands Up EP (2013)

Ken Arai (solo artist)

• Kagi no kakatta heya / Locked Room Original Sound Track (2012)
• Kagi no kakatta heya / Locked Room Extra Track (2012)
• LAST HOPE Original Sound Track (2013)

Music provided

For artists

• Mai Endo "You're the one" (composition)

TV drama

• Tokyo Little Love (Fuji Television, 2010)
• Locked Room (Fuji Television, 2012)
• Last Hope (Fuji Television, 2013)
• Locked Room SP (Fuji Television, 2014)
• Heartbreak Chocolatier (Fuji Television, 2014)
• Kiss of Todome (Nippon Television, 2018)
• Switched (Netflix, 2018)
• Trace - The Man of Kasouken - (Fuji Television, 2019)

TV anime

• Parasyte (Nippon Television, 2014)
• Star-Myu (TOKYO MX and others, 2015)
• Pingu in the City (NHK Educational TV, 2017)