Real name: Seino Junichi 清野淳一

Effective period / Period of releases: 2004 - 2011

樹威 (Jui, born June 30th 1980) is a visual kei vocalist from Sendai, Japan. Best known as the vocalist and main composer of the visual kei band ヴィドール. He has also been the vocalist of Kisaki's solo project since 2003. He temporarily stopped music activities in late 2009 as he have had health problems caused by a blood clot in his throat. After ヴィドール announced they would disband in January 2011, Jui debuted as a solo artist and signed a major deal with Crown Records.
In 2012 he suspended his solo activities and formed Gotcharocka.

Band history
199? - 1998 De-vine
1998 - 1999 Raisonné
1999 - 2001 Luinspear
2002 - 2011 ヴィドール
2002 - 2004 KISAKI PROJECT
2006 - 2007 KISAKI PROJECT
2011 - 2012 Solo
2012 - Gotcharocka