Lulidan is a hostile world for humans to live, namely because it is completely and utterly a game.

Want to grow crops for survival? : The only way is to hunt a monster which will drop seeds!

Want to raise animals? : You need to hunt an animal monster and get it's rare drop, a beast egg!

Want to drink milk? : ... isn't it obvious? Hunt a minotaur...!

This is the world that Ambrose Valier finds himself in, a land of small and heavily guarded strongholds, weakened by a war on two fronts.

A world that apparently is now his home...