MP7 is a Tactical Doll (T-Doll) in the mobile game and anime series 'Girls' Frontline.' She is based on the real-world German submachine gun, the Heckler & Koch MP7. MP7 is portrayed as energetic, mischievous, and somewhat rebellious, often displaying a playful attitude toward her fellow T-Dolls. As a submachine gun class unit, she specializes in close-quarters combat and agility. MP7 plays a supportive combat role within her echelon, and her lively personality adds humor and charm to the storyline.