As an S-Class Devil, You Actually Want to Be My Wife?

[Daily dog food + contract summoning + plot direction + invincibility + pure love] On his eighteenth birthday, Lin Feiyu did something that betrayed his ancestor's decision! After forcibly opening the black box, Lin Feiyu obtained the "Summoning Grimoire". Then he unexpectedly successfully summoned his own summoned beast. But who would have thought that this summoned beast turned out to be an S-class demon! And she is also an extremely stunning beautiful girl! But as time passed, Lin Feiyu discovered that something was wrong with the way this summoned beast looked at him. "Master, I want to be your wife!" "..." In this way, the fledgling summoner and his beautiful girl summoned beast began a different life.