Plot: Criminal Girls is a role-playing video game series developed by Imageepoch and published by Nippon Ichi Software. Criminal Girls was released on November 18, 2010 for PlayStation Portable, in Japan only. Wikipedia
Plot: SG/ZH School Girl/Zombie Hunter is a shooting video game. The game has been released in Japan on 12 January 2017 It has been described as a Zombie Panic shooting Action and it is considered within the Onechanbara videogames series: the setting is, in fact, the same universe. Wikipedia
Plot: Natsuiro High School: Seishun Hakusho is an open world video game released on June 4, 2015, by D3 Publisher for PlayStation 3 and PlayStation 4. D3 Publisher officially describes the game as an open world high school love adventure. Wikipedia