Naruto: I Am Not Really Related - Chapter 273: Seeing Off!

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion.

“A cheat system? Do you take me for a fool? Nowadays, where can you find such a good thing falling into your lap? Scram from my head. Is this is new kind of fraud? Or is this a murderer training system of aliens that contains the ability of hypnotism?”

“No, I am the chaos that whispers from nothingness, the nightmare of all living beings in the Southern Ten Stars, the successor of the unparalleled God and… your elder sister.”

“…I only have a younger sister, I don’t have an elder sister!”

“No, you have one. I am an illegitimate daughter. It’s just that your dad didn’t inform you.”

- Description from Novelupdates

Due to an accident, Chu Ling, an Omega, was forcibly marked by a strange Alpha named Han Gu. The government stipulates that the marked Alpha and Omega must be married. The two were forced to live together on the premise of marriage, and Chu Ling had to break up with his ex-boyfriend.

After cohabitation, both parties are affected by the mark, are particularly sensitive to each other’s pheromones, and are also extremely thirsty for each other’s bodies. From the beginning of the two people’s rejection and resistance to instinct, to understanding each other, and finally falling in love with each other. Willing to let the other person into his heart.

“If I give you another chance, will you choose him or me?”

“I choose you.”

- Description from Novelupdates

Two heroes of the game Legend of Heroes 2 who were rotten waters*.