Artist. Uses legos to do pixel art. Formerly tagged as blowback.
Artist name: ＹＯＵ★霊 (Yuurei or You Rei)
https://www.pixiv.net/users/345586
https://www.pixiv.net/stacc/blowback
https://twitter.com/YOULEGO
https://twitter.com/intent/user?user_id=171512341
https://seiga.nicovideo.jp/user/illust/6409073
https://www.nicovideo.jp/user/6409073
https://sketch.pixiv.net/@blowback
http://theinterviews.jp/youlego
http://p.twipple.jp/user/youlego
