This is an R-18+ title . It contains explicit sexual themes and imagery intended for adult audiences only.
The file refers to a Machine Translated (MTL) version of the Japanese adult visual novel/simulation game titled Rebuild Aquarium Girls (originally Saiken! Aquarium Girls ). Overview of the Game Rebuild_Aquarium_Girls_MTL.7z
Developed by Project_YNP , a circle known for management-style simulation games. This is an R-18+ title