"don't mess with me Kirari, you'll regret it" what happens when Hirari Y/n comes to this new school Hayakkaou Private Academy, the most prestigious school in entire Japan. Who knows what goes behind those gates of the school. Everyone there is a compulsive gambler will y/n be able to withstand Kirari's rules of "survival of the fittest". it sure is had but y/n needs to find her way out. kirari uses yn to outsmart Yumeko and bring her ecosystem back to normal, but Yumeko had other plans