Humm, I wonder if "Indico liteのミサ" (what kind of name is that?) is supposed to be the artist or the character. I think it's more of the former, but not entirely sure.

Indico lite is the name of his/her website:

http://members.jcom.home.ne.jp/indicolite/

ミサ/みさ (or mitha, as she spells it) is her nickname.