Haikei "Kouri no Kishi to Hazure-hime" Datta Watashitachi e

A sickly and socially withdrawn princess marries the sharp-minded knight Sir Oscar, but their union is unhappy as he did not desire the marriage. Their life together becomes filled with misfortunes, and further tragedy soon befalls the princess, drastically altering both of their lives. The story follows the former princess, now regarded as "the Failure Princess," and the young count, known as "the Ice Knight," as their intertwined paths lead to a series of tragic events.