Aigis

A man-made Anti-Shadow Suppression Weapon, 7th Generation. She joins S.E.E.S. as an android with a humanlike heart, granting her the power of Persona.

She harbors a mysterious attachment to the Protagonist from the first day they meet. Initially coming across as cold and robotic, she begins to discover more human emotions through her experiences with the group.

In battle, she fires off an arsenal of weapons built into her mechanical body. Her unique Persona is Palladion, specializing in physical and support skills.

Source: https://persona.atlus.com/p3r/index.html?lang=en