The princess wanted to run away, but the three kids held her back.

[Marriage first, love later + cute baby + double purity + travel through a book to save the villain] The princess traveled through a book and became a rich abandoned woman who was about to be divorced and had three burdens. The system said that she could only go back after stopping the villain from destroying the world and collecting three gems. So the princess fought wits and courage in this world. Facing the crazy little son: I didn’t expect him to be a little crybaby! Facing the cute and clever little daughter: I didn’t expect her to be a naughty girl! Facing the cold eldest son: I didn’t expect him to be a tsundere! Facing the seemingly abstinent husband: I didn’t expect him to be a beast! And a crazy one! ...