Tina is a product of Ayn Rand's mechanized soldiers and formerly his Model Owl Initiator. Tina was ordered to assassinate Seitenshi by Ayn but was instead foiled by Enju's interference and eventually defeated by Rentarō. Seitenshi gave her special treatment and only ordered to keep her under observation, and was hired by Tendō Civil Security when she was released. She later on forms a pair with Kisara, while becoming infatuated with Rentarō just like Enju, with whom she competes for his attention.