M4 SOPMOD II is a Tactical Doll from the mobile strategy game 'Dolls' Frontline'. She is designed after the real-world M4 SOPMOD rifle, characterized by her energetic and slightly chaotic personality. In the game's narrative, SOPMOD II is part of the elite 'Anti-Rain Team' and is known for her high enthusiasm for combat and her close bond with her teammates. She often provides a mix of comic relief and intense firepower on the battlefield, making her a dynamic and crucial asset to the team.