«The Bride by Contract, or the True One for the Dragon» is a novel by Milya Sinichkina, a genre of reincarnation/portal fantasy (“popadantsi v drugie miry”), romantic fantasy, and domestic fantasy.
I woke up in the body of a countess on the day of her wedding. The groom—the dragon—broke off the engagement, and the guardian seized the inheritance. Of my belongings, I was handed a figurine with a broken music box and the key to my mother’s old house, assuming that I would die of starvation. But I grabbed the chance to make a life for myself in a new world. And everything would have worked out for me—if only I hadn’t turned onto the wrong road...
— Mother, allow me to introduce you to my fiancée! — cheerfully says the dragon, pressing me to his side.
— What fiancée? — I whisper into the rogue’s ear. — I was taking you to a doctor!
— If you don’t play along, you’ll be hanged for an attempt on a member of the ruling family—you almost killed me. So I suggest you keep quiet…