[Machine Translation] Why was I born an Omega - I wonder. The Muller family prospered by sending Omegas to the harems of upper-class aristocrats. Jill, an Omega born into the Muller family, was unable to accept her fate. Unable to act like an Omega and neglected by her family, Jill is forced to marry her childhood friend, Alpha Albert, a beastman nobleman. Even though she cannot change her fate as an Omega, she spends her days telling herself that she is happy to be married to the kind Albert. Then, a beastman visits the Muller family. It is Diego, the third son of the Siegfried family, the most prestigious noble family in the country. Jill is repulsed by the arrogant Diego, who decides to welcome Jill, the heretic of the Muller family, into his harem on his own, but...