Who's The Baby's Father?

reeling from the shock of waking up in labor, a woman realizes that she is in the body of princess etricia lette, the anti-heroine of a novel she never finished. the only thing she recalls is that etricia had countless suitors, so the father of her baby girl, loustina, is a mystery, but he could be one of four powerful men. is it the captain of the imperial knights, the prince of a neighboring country, the master of the mage tower, or a descendant of dragons? who will loustina call father?