 After moving to Tokyo , Oribe formed the band Love is Same All with members from the indie band <unk> Out and began using the stage name LiSA , which is an acronym for Love is Same All . The band performs with LiSA during the latter 's solo live performances . In 2010 , she made her major debut singing songs for the anime series Angel Beats ! as one of two vocalists for the fictional in @-@ story band Girls Dead Monster . She was the vocalist for the character Yui , and the second vocalist , Marina , sang as the character <unk> <unk> . LiSA put out three singles and one album in 2010 under the name Girls Dead Monster on Key 's record label Key Sounds <unk> . The first single " Thousand <unk> " was released on May 12 ; the second single " Little <unk> " came out on June 9 ; and the third single " <unk> no <unk> ( Yui final ver . ) " ( <unk> <unk> Yui final ver . <unk> , " My Most <unk> Treasure ( Yui final ver . ) " ) was sold on December 8 . The album <unk> The Beats ! was released on June 30 . LiSA made her first appearance at <unk> Summer Live during the concert 's 2010 iteration on August 28 . 
