Artist.

Japanese name: 最速のゆっくり (Saisoku no Yukkuri)
Old name: りよむぅ (Riyomuu)
Circle name: まんじゅう大爆発 (Manjuu Daibakuhatsu)

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=12244076
* Niconico account: http://www.nicovideo.jp/user/5302038
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/5302038?target=illust_all
* Privatter account: http://privatter.net/u/fastest_yukkuri
* Twitter account: http://twitter.com/fastest_yukkuri
* Circle.ms: http://portal.circle.ms/Circle/Index/10370590
* Comike Web Catalog: http://webcatalog.circle.ms/Perma/Circle/10370590
saisoku no yukkuri