The Small-Animallike Lady is Adored by the Ice Prince manga volume 3.

I, Liliana, am the fiancée of Prince William, the “Ice Prince.” Although his first impression left much to be desired, it seems I've become rather attached to him! And now that we've opened our hearts to one another, all that's left is our happily-ever-after…I mean, it's not like some other girl is going to steal his heart — right?