The female protagonist of C³ series.
She is revealed to have been an item used to torture people as she can summon weapons. Her psychotic state is activated by other people's fear. In this state she becomes emotionless and finds other people's pain amusing.
Her powers include being able to summon various weapons of torture and being able to change into a cube form. She can unlock more of her powers by inserting data chips into her body while she is in her cube form.