Pour Lui (????, Puu Rui, born August 20, 1990 in Saitama) is a Japanese singer known for her work as the founder and leader of the "alternative idol" group BiS.
Pour Lui started her career in November 2009 as a solo singer, being promoted as a "new age rock icon".
She announced that she would be indefinitely suspending her solo career, and would be forming an idol group, which would eventually become BiS.
She was one of only two original members remaining by the time BiS disbanded in July 2014.
She was often seen as the "face" of the group, and was often supportive of the sometimes drastic and extreme measures that were used to gain the group publicity.
This led to tensions between the members, most notably Yufu Terashima and Rina Yokoyama.
Pour Lui formed the rock band LUI FRONTiC Akabane JAPAN (then named LUI?FRONTiC?Matsukuma JAPAN) in December 2013 with former members of The Storefront and BiS sound producer Kenta Matsukuma.
Once BiS disbanded, she focused her activities with this band, which signed with Universal Japan.