Rex Zero 1

Rex Zero 1 is a four-star tactical doll in the mobile game *Girls' Frontline*, later upgradable to five-star through neural upgrade. She is a support-type handgun from Griffin, affiliated with the General Services Department - Medical Room. Rex Zero 1 is known for her friendly personality and helpful attitude. She always actively assists others in solving their problems, and asks for payment according to the trouble, often in the form of heartwarming things like a flower, a pebble, or a hug. In the game, she mainly serves as a support role, with special support skills that provide a shield to the team leader while increasing the firepower of other teammates. She also possesses a unique skill to charge at the start of battle on a motorcycle, dealing damage to enemies and reducing their movement speed. Through neural upgrade, she also gains a new skill that can summon a drone inheriting the stats of a fallen ally unit. Rex Zero 1 has a distinctive character design, wearing various accessories on her head, said to be rewards she received for helping others. Her voice lines are lively and cheerful, reflecting her helpful nature.