Amamiya Yuuhi, an average college student, wakes up one morning to the sight of Neu Crescent, a talking lizard claiming to be a knight. Neu asks for him to help save the world and protect their princess from an evil mage seeking to destroy the Earth, but Yuuhi finds it hard to believe such an absurd request. However, later that day a golem created by the evil mage appears before Yuuhi. Yuuhi is about to die when suddenly—
That's because the power generating 
the field draws on your own stamina.
هذا لأنّ القوّة الّتي تولّد الحقل
تتغذّى على لياقتك
Die Stärke deines Tragfelds hängt
von deiner körperlichen Kraft ab.
C’est dans ton corps qu’est puisée
l’énergie nécessaire à son apparition.
Il potere generato dal Dominio 
è fornito dalla tua forza fisica.
É porque o poder que gera o Domínio
vem da sua própria vitalidade.
Сила, которую даёт область захвата,
генерируется за счёт твоей выносливости.