Artist.

Japanese name: 五十嵐　恵

* Pixiv: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=40836979
* Twitter: https://twitter.com/Kei_Igarashi
* Nico Seiga images: http://seiga.nicovideo.jp/user/illust/35458332?target=illust_all
igarashi kei