Artist.
Japanese name: 八雲クロオ
Circle: ぎゃんぐ工房
Circle patner: ななやRR
https://www.pixiv.net/users/1197273
https://www.pixiv.net/stacc/m-ivva
https://twitter.com/yakumo_960
https://twitter.com/intent/user?user_id=155870102
https://seiga.nicovideo.jp/user/illust/6789255
https://www.nicovideo.jp/user/6789255
https://sketch.pixiv.net/@m-ivva
http://c10021288.circle.ms/oc/CircleProfile.aspx
http://twitpic.com/photos/yakumo_960
