Origin
China
The NZ-75 is a Chinese made 9x19mm Parabellum pistol type handgun manufactured by Norinco. Contradict to the T-doll introduction in game suggests, NZ-75 was actually a copy of the Italian Fratelli Tanfoglio made TZ-75, which was a direct copy of the Czechoslovakian made CZ-75, resulting in NZ-75's characteristic similarity with the CZ-75 pistol. Due to the global pressure during the Cold War, CZ-75 pistol failed to secure world patent protection for their design, the Italian made TZ-75 was marketed to the western world, and the NZ-75 was design then produced based on TZ-75[1]. NZ-75 is produced purely for export purpose, it is currently not in service in any of the Chinese military forces/policing agencies.
Girls' Frontline
Girls' Frontline is a mobile strategy game developed by MICA Team, a Chinese company. It is a moe anthropomorphism game in which the player controls echelons of characters, each of which are based on actual guns. The game was released in Mainland China on 20 May 2016, and in Hong Kong and Taiwan on 18 January 2017. It was also released in South Korea on 30 June 2017. The English version published by SUNBORN Network Technology was released on May 8, 2018. This game is a prequel of another game developed by the same company called Bakery Girls.
