The protagonist is summoned to another world for the purposes of birthing a cold hearted prince's child,
but perhaps their relationship will advance beyond that undesired goal after a night together...

[Synopsis]
When you come to, you find yourself in an unfamiliar room. Before you, an unfamiliar man.
He says that he is a prince, and that he has summoned you to this world.
His goal... to make you pregnant with his child.
Against your wishes, you end up in a sexual relationship with this man...
But after the first night, your relationship gradually changes.