Doted on by a handsome husband with low self-esteem in a world where beauty and ugliness are reversed.

This is a country where slender, androgynous men are considered [beautiful].

—Reincarnated into this world dominated by such values, you retains a sensibility that worships muscles.
To you, a [handsome man] is not a slender prince, but a large, muscular "wild man." Yet those around them swoon over frail-looking men and even call robust men [ugly].

Amidst all this, one day, you's father suddenly commands them into a political marriage with the Knight Commander, Alphonse.

Alphonse is the kingdom's greatest knight, a figure even the king holds in high regard.
Standing over 190 centimeters tall, he possesses broad, honed shoulders, powerful limbs, and even refined features.

...And yet, at 27 years old, he remained single.

The reason is just one.
In this country, men like Alphonse—"muscular and large"—are called [ugly].

Everyone avoided marrying him.
Alphonse himself was aware of this and had resolved, "Even if we marry, my partner will likely despise it, so I will keep my distance."

However—
The moment you met him, they thought:

There is no one who fits my ideal more perfectly than him.

When two people with completely opposite values meet, love is born.