Mila, a girl raised in an orphanage, was born with a rare ability—she can absorb magical energy from objects and people. Her adoptive father, Baron Weston, exploited her gift to cleanse cursed weapons and dark artifacts, wearing her body down to the point that doctors told her she had only a year left to live.

One day, Mila collapses from exhaustion in a temple and is rescued by a beautiful woman named Anneliese. But the help comes at a price—Anneliese begs Mila to save her brother, Dallius, the Commander of the Holy Knights and one of the most powerful dukes in the kingdom, who suffers from a rare illness caused by an overload of magic in his body.

The only solution?
Since Mila can absorb magic, she is the only one who can heal him—through repeated kisses. And so, they enter into a temporary two-year marriage contract, with no emotions involved. But as time passes, and Mila melts into one "healing" kiss after another, Dallius—the once cold and distant duke—begins to show signs of affection far beyond what the contract called for.

"I love you, Mila..."
A whisper that was never meant to be spoken.

Will this marriage, born out of necessity, blossom into something real? Or will time run out before they can confess their true feelings?

Mira, who grew up in an orphanage, was born with the ability to absorb magical powers and was forced by her father-in-law, Baron Weston, to purify miasma-tainted swords and magical tools. As a result, her body was so ravaged that doctors told her she would not live more than a year. One day, Mira collapses in the temple and is saved by a beautiful woman, Annalise. Her brother, Darius, is the first duke and head of the Order of the Holy Knights, but he suffers from a disease called hypermagia. Annalise proposes a certain way to save her brother in exchange for saving Mira from the baron...