Eufonius

 is an anisong duo formed in 2003.

Current Members

 * riya - Vocalist & Lyricist
 * Kikuchi Hajime (菊地創) - Keyboardist & Composer

Support Members

 * Okubo Masashi (大久保将) - Instruments

Discography
Albums=

Studio Albums

 * [2005.04.27] eufonius+
 * [2007.12.19] metafysik
 * [2008.06.10] Metrochrome (メトロクローム)
 * [2009.09.30] Ao no Scape (碧のスケープ)
 * [2011.05.30] bezel
 * [2011.11.23] Phonon (フォノン)
 * [2014.01.14] frasco
 * [2014.07.27] Kioku Seizu (記憶星図)

Mini Albums
Singles=
 * [2003.10.11] eufonius
 * [2006.05.24] Subarashiki Sekai (スバラシキセカイ)
 * [2007.01.31] Σ
 * [2009.07.07] Nejimaki Musica (ねじまきむじか)
 * [2010.04.14] Nejimaki Musica 2 (ねじまきむじか2)
 * [2011.10.26] Aletheia (アレセイア)
 * [2012.07.09] Nejimaki Musica 3 (ねじまきむじか3)
 * [2015.07.07] Noesis (ノエシス)
 * [2016.06.06] Sora Furuhate (ソラフルハテ)

Singles

 * [2004.05.02] Guruguru (ぐるぐる)
 * [2004.10.21] Habataku Mirai (はばたく未来)
 * [2005.04.27] New World / Bokura no Jikan (New World / ぼくらの時間) (with Bae Yumi)
 * [2005.08.25] Chiisana Uta (ちいさなうた)
 * [2005.11.02] Idea
 * [2006.01.25] Koisuru Kokoro (恋するココロ)
 * [2006.05.10] Taiyou no Kakera / Guruguru ~himawari version~ (太陽のかけら / ぐるぐる ～himawari version～) (with Shiraishi Ryoko)
 * [2007.02.07] Sorairo no Tsubasa / Kirakira (with Shiraishi Ryoko and Matsumoto Kana)
 * [2007.04.25] Apocrypha
 * [2007.10.26] Mag Mell / Dango Daikazoku (メグメル / だんご大家族) (with Chata)
 * [2008.01.23] Reflectier (リフレクティア)
 * [2008.11.28] blooms again. (with Nakahara Mai)
 * [2009.02.04] Anemoi (アネモイ)
 * [2009.03.18] Kono Koe ga Todoitara (この声が届いたら)
 * [2009.04.22] phosphorus
 * [2009.12.23] Divinity (ディヴィニティ)
 * [2010.04.28] Haruka na Hibi (遥かな日々)
 * [2010.08.27] Confetti (コンフェティ)
 * [2010.10.27] Hiyoku no Hane (比翼の羽根)
 * [2011.08.13] Literal (リテラル)
 * [2012.02.08] Prism Sign (プリズム・サイン)
 * [2012.07.18] Paradigm (パラダイム)
 * [2013.07.02] S/N
 * [2014.05.13] refionius
 * [2014.10.20] sati
 * [2016.02.14] Hajimari no Oto (はじまりのおと)