Senrihin Reijo Sheriru wa Jibun Okorosu Otto o Kago Shitai

Cheryl, the King’s niece, possesses the "Ark of Knowledge"—the ability to record every word she reads into a library located in a different dimension.

One day, she discovers something in that library she has no memory of reading: her own biography. Even worse, it foretells a future where she marries Luke, a cruel and treacherous Marquis from an enemy nation, only to be murdered by his hand!

Her only path to survival? "Making her future husband head-over-heels in love with her"!?

Though Cheryl's attempts at seduction are clumsy and constantly backfire, her earnest and pure-hearted nature begins to unconsciously shake the foundations of Luke’s cold heart...