A cute story that goes by so fast. I wished it was actually a bit more developed. But no douche ML and that is really nice for a harlequin ! The only thing is : !!!!!! SPOILER !!!!!!!!The title is a bit misleading, I get the "One heir" part but... what about "or Two" ? I was expecting her to get pregnant again but it ended so fast... I guess it implies she'll have more children.