System-side enhancements like “Auto-Pilot” and “Status Up Items!” With HD image quality and HD rumble support, you can enjoy Monster Girls with even more hype! A world where humans and Monster Girls coexist. When a natural disaster suddenly occurs, the Monster Girls start to act hostile towards the humans. In order to find the cause of this, an ordinary young man named Io sets out on an adventure with Lilia, his childhood friend and a Monster Girl.