Kotoha Isone

A sixteen-year-old high school student who was once a human before she was possessed by a youkai at a very young age. Because of that event, she became a Hanyou, half youkai, and half-human. She is a Language-user (Kotodama tsukai) who can summon things when she emphasizes words. She can conjure up weapons or objects by saying one word, however, there are certain objects where she needs to use a lengthy spell in order to conjure them up. She is also a gun nut. She is also known to be a great singer by her friends. The manga mentions that she is only interested in girls, which is noticeable in chapter ten when all the other characters except Gin attend the party.

Even though she wears glasses, she has said they are just for decoration. When she's mad, she tends to go a bit overboard in her fights. It is also of note that if she overuses her power, she can lose her voice for a while.