* Vocals/Guitar: Naoto Matohara(真戸原 直人, Matohara Naoto)

* Guitar/background vocal : Ryosuke Asa(阿佐　亮介, Asa Ryōsuke)

* Bass/background vocal : kazuma Nakahara(中原　一真, Nakahara Kazuma)

* Drums/background vocal : Naoko Taniguchi(谷口　奈穂子,Taniguchi Naoko)

first started out in 1997. They began to play live performances in Kobe; however, they moved their base to Tokyo in 2000. In March 2002, the band began to release their works. Word began to spread and Under Graph appeared as a regular program star on Nack5 radio. In 2004 they released their first major debut single. Since then, they have released an additional single and album.

So far they have 3 albums and 8 singles.