Murakami Rumina

 (村上瑠美奈) is a singer and main vocalist of predia. She is also a member of one-time unit Mochi to Cheese, and has a solo career under the name Razwald.

Singles

 * [2019.10.10] Days
 * [2019.11.12] Dialogue

Albums

 * Invitation
 * Koko no Dahlia ni Kuchizuke wo
 * Fabulous

Best Albums

 * Best of predia 2010-2013 〜Reception〜
 * Best of predia "THE ONE"

Mini-Albums

 * Escort me?
 * Byakuya no Viola ni Idakarete

Singles

 * Dia Love
 * Dream Of Love
 * Honey B
 * Crazy Cat
 * Hey Now!!
 * Kowareta Ai no Hate ni
 * Utsukushiki Kodoku-tachi
 * Mitashite Amore
 * Setsuna no Yoru no Naka de
 * Kindan no Masquerade
 * Nouvelle Cuisine
 * Ms.Frontier
 * Curtain Call

Live Albums

 * predia Acoustic Live 2013.4.7 at UENO STORE HOUSE
 * predia Acoustic party 2013.8.24 at SHIBUYA Mt. RAINIER HALL