I-No is a major character in the Guilty Gear series, making her first appearance as the boss of Guilty Gear XX. She is a time-travelling musician who seems to derive pleasure from tormenting others, and is one of That Man‘s servants alongside Raven. Very little is known about her, with a report in Guilty Gear XX that consists entirely of “UNKNOWN!!” repeated several times over.
I-No is a manipulative woman who seems to have no qualms about hurting other people, physically or mentally. She has no problem acting friendly if she wants to, but she considers all of humanity to be beneath her—That Man included—, and has a vicious nature that quickly rises to the surface whenever someone challenges her. I-No also has no problem using her feminine features to manipulate anyone receptive to it. As such, she is quite crude in how she speaks to others, as she is always either cursing, insulting her opponents, or making sexually charged comments, usually using musical references as double entendres.
Fully aware of her own eccentricities and chaotic nature, she claims to be dedicated to That Man’s goals and ideals, but in truth, she only works for her own agenda. Self-reliant to a fault, I-No is motivated by a fixation with what she calls “tomorrow” due to her origins. Despite her rather misanthropic demeanor, I-No has shown some flashes of remorse at her impulsive reactions, specifically with Axl (perhaps due to being fellow “vagabonds”) and, to a lesser extent, with Raven.