Married on a bet? Your husband is a tyrant who knows no mercy? Nothing to be afraid of: any man can be won over and broken… That’s what Hel thought when she agreed to the terms of one ridiculous wager. But who knew that love spells don’t work on the Prince of Darkness?! Now Hel has no choice but to try to make the strongest demon of the Underworld fall for her—without using magic. You’ll say, madness? Perhaps. But succubi don’t give up without a fight!