Developed by Project_YNP , a circle known for management-style simulation games.

This indicates that the game's text has been translated from Japanese to English using automated tools (like DeepL or Google Translate) rather than a professional human translator.

Allows non-Japanese speakers to play games that haven't been officially localized.

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

The "Girls" mentioned in the title are your aquarium staff. You interact with them to improve their morale and efficiency, which unlocks story beats and adult content.

It is an "Aquarium Management Simulation" mixed with adult visual novel elements.