Zero To Hero In The Martial Arts Library - Chapter 758 - Gaze From Another Universe

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates

Hunted for the Alchemical Book in her hand - Mu Ruyue wakes up in the body of a wastrel in Shenwu Continent - a martial arts dominated world.Her fiancé has jilted her in favor of her foster sister.Her father condones her abuse.Her younger sister wishes she was never born.And the whole country ridicules and insults her for being a first-rate wastrel.Wastrel? Not at all. With the Alchemical Book in her hand, what pills and elixirs can't she refine?Jilted? She'd rather marry the pure and innocent Ghost King, Ye Wuchen.----Mu Ruyue: Stop calling me Sister!Ye Wuchen: Can I call you Wife then?Mu Ruyue: Not that either!Ye Wuchen: (about to cry)Mu Ruyue: (sighs) Suit yourself.Ye Wuchen then leans forward and kisses the corners of her lips.Mu Ruyue: …Did a child just steal her first kiss?----Brother 1: Let her go!Brother 2: She is my mother, why should I let go of her!Brother 1: Don't ever think of robbing my mother!Mu Ruyue: Let me introduce you, Jing'er, this is your younger brother. Huang'er, this is your elder brother.Huang'er: Mother, this stupid boy bullied me. He's not my brother.Jing'er: Little guy, from now on, you must listen to me.Ye Wuchen: (How exactly do these two regard him? They dare fight over his wife in front of him...)

When the storm struck, they chose Kogan as a sacrifice to save their city... but he found himself in an unknown world, surrounded by strangers who knew nothing of their fate. In a land teeming with enigmatic entities and lurking dangers, Kogan will soon realize that his survival was no miracle, but the beginning of a harrowing trial. Will he find a way to escape, or is this place the grave that was destined for him all along?

Usually when you possess a novel, you start in the city, but I fell into the forest.