3L Is The Main Alias Of 安保さゆり Sayuri Anpo A Well-Known Vocalist And Occasionally Lyricist Of The Japanese Doujin Music Scene. She Has Performed Under Various Aliases Such As 悠杏李 Yu Anri あんぽりん Anporin Or Unknown-Poly For Many Doujin Circles Over The Past Years. She's Also A Member Of NJK Record Since 2008. 3L Is Also The Backing Vocalist For 民安ROCK.