After self-releasing Vocaloid music and self-cover extended plays using his own voice, he debuted under independent label Balloom using the name Fullkawa Honpo in 2011.
However, when Fullkawa Honpo was in his mid 20s, the band split before they managed to debut, and he remained in Tokyo to work as a designer.
[2] Fullkawa Honpo continued to release Vocaloid songs in 2009 and 2010, with his songs "Piano Lesson," "Mugs" and "Alice" all receiving over 100,000 views ("Alice" receiving over 400,000), as well as self-releasing Vocaloid music on CD, beginning with the Piano Lesson EP in September 2009.
[4] His debut album Alice in Wonderword was released two months later, and featured mostly re-recordings of his Vocaloid songs, collaborating with vocalists such as Kahimi Karie and Maki Nomiya.
[6] In 2012, Fullkawa Honpo moved to Space Shower Music, and released his second album Girlfriend from Kyoto on November 7, 2012.