Vector, also known as SMG Vector, is a Tactical Doll in the mobile game 'Girls' Frontline'. She is based on the real-world submachine gun KRISS Vector. In the game, she is a 4-star SMG T-Doll, known for her high damage and unique skill 'Chamber Pressure', which increases her firepower and rate of fire. Vector plays a crucial role as a reliable damage-dealer for players, often deployed in echelons focused on maximizing damage output. Her design features a sleek and modern appearance, reflecting her real-world counterpart's futuristic design.