Artist, illustrator.

Japanese name: ヤミ (Yami)
The other names: いーか or やみさん
Solo circle & site name: M31
Joint circle name: んっ？戦国時代のティッシュ？ (the other member: "Ao_(ao00))":http://www.pixiv.net/member.php?id=4563881
yami (m31)