PPSh-41 is portrayed as a reserved and dedicated T-Doll, courteous yet shy outside combat, often startling easily in casual interactions while upholding disciplined professionalism during missions. A poignant manga scene highlights her reverence for fallen allies, showing her carefully arranging StG-44’s battlefield remnants and quietly acknowledging their sacrifice.

She balances frontline combat with technical support duties, operating power loaders to enhance dormitory infrastructure—a testament to her mechanical aptitude. In combat, her focus lies in tactical grenade deployment and team synchronization. Her unique "Million Medals" ability converts explosive strikes into accumulating commendations, progressively boosting allied SMG units’ damage, evasion, and damage mitigation. These enhancements stack across engagements, remaining active until withdrawal.

A specialized gear set amplifies her explosive efficiency: grenades gain wider blast radii, critical-hit potential, and faster medal generation. The raised medal cap unlocks advanced bonuses like heightened critical damage and armor penetration at higher tiers.

Known in-universe as "Papasha"—a nod to the real PPSh-41’s Russian nickname meaning "daddy"—the title appears in official records without narrative elaboration.