• LEVEL - Reiji - 2022-02-09
• ラストページ - Reiji - 2020-12-02
• 融雪 - Reiji - 2020-12-02
• Be mine - Reiji Kawaguchi・Avena Savage・Juichi Hoshino - 2020-02-12
• MOVIE - Reiji Kawaguchi・Iain Farquharson・Jeff Miyahara・Jez Ashurst - 2020-02-12
• STOP - Reiji Kawaguchi・Carlos K. - 2020-02-12
• I'm a slave for you - Reiji Kawaguchi・Yui Mugino・Ryosuke“Dｒ.R”Sakai - 2020-02-12
• Everything Lost - Reiji - 2019-11-27
• Cassette Tape - Reiji - 2019-11-27
• Action Phase - Reiji - 2019-11-27
• In the Rain - Reiji - 2019-11-27
• Secret Town - Reiji - 2019-11-27
• Massive Attack - Reiji - 2019-11-27
• Scissors - Reiji - 2019-11-27
• Phone Call - Reiji - 2019-11-27
• Burn to Fly - Reiji - 2019-11-27
• Sun＆Moon - Reiji - 2019-11-27
• P A R A D O X - Reiji - 2019-08-21
• Shadow is the Light - Reiji - 2019-08-21
• 百花繚乱 - Reiji Yamamoto - 2019-07-31
• two prisoners - Reiji Kawaguchi・starRo - 2019-07-24
• Night Divin' - Reiji Kawaguchi・Carlos K. - 2019-07-24
• Flame of Love - Reiji Kawaguchi・Yui Mugino・Ryosuke“Dｒ.R”Sakai - 2019-07-24
• falling down - Reiji Kawaguchi・Tova Litvin・herOism - 2019-07-24
• R.O.C.K.M.E.ft. Marty James (Dave Aude Remix) - Reiji Kawaguchi・Marty James・herOism - 2019-07-24
• Like I do - Reiji Kawaguchi・Marty James・Cris Chil・Dewain Whitmore・Federico Vindver - 2019-07-24
• Summers Still Burning - Reiji Kawaguchi・Marty James・herOism - 2019-07-24
• Flash of a Spear - Reiji - 2018-06-06
• Hibana - Reiji - 2018-06-06
• Come Back to My Dreams［ENGLISH EDITION］ - Reiji - 2018-03-07
• Fall in the Sky［ENGLISH EDITION］ - Reiji - 2018-03-07
• SINGularity［ENGLISH EDITION］ - Reiji - 2018-03-07
• Go on［ENGLISH EDITION］ - Reiji - 2018-03-07
• When You Forget［ENGLISH EDITION］ - Reiji - 2018-03-07
• One More Spark［ENGLISH EDITION］ - Reiji - 2018-03-07
• Come Back to My Dreams［JAPANESE EDITION］ - Reiji - 2018-03-07
• When You Forget［JAPANESE EDITION］ - Reiji - 2018-03-07
• One More Spark［JAPANESE EDITION］ - Reiji - 2018-03-07
• Go on［JAPANESE EDITION］ - Reiji - 2018-03-07
• Fall in the Sky［JAPANESE EDITION］ - Reiji - 2018-03-07
• SINGularity［JAPANESE EDITION］ - Reiji - 2018-03-07
• Hologram - Reiji - 2017-01-25
• The Walls - Reiji - 2017-01-25
• A Planet in Your Eyes - Reiji - 2017-01-25
• Next Trier - Reiji - 2017-01-25
• Endless Night - Reiji - 2017-01-25