Criminal Girls

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. The game was remade for PlayStation Vita as Criminal Girls: Invite Only, and NIS America published it in the West, a later release was made for Microsoft Windows on Steam. A sequel entitled Criminal Girls 2: Party Favors was released in 2015. The "unabashedly risqué Japanese games" were controversially censored for their western releases, by "stripping the sound and obscuring the action".
Plot.
The main character is sent to hell and tasked with rehabilitating seven girls.
Gameplay.
Gameplay involves a lot of dungeon crawling and other RPG elements.
Critical reception.
Criminal Girls: Invite Only has a Metacritic rating of 55/100. GameSpot thought the combat was let down by the "tedious design" and "perverse activities".
Criminal Girls 2: Party Favors has a Metacritic rating of 67/100. Pocket Gamer UK thought that the battle system compensated for the game's "shady veneer".