MTL - A Cannon Fodder Female Partner To Raise a Cub In The Era Novel - Chapter 3 What are you calling nonsense?

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

As long as the land is square, Yan Bicheng should divide the world into four parts.
The dark organization “Ruyimen” has abducted children for many years, trained them as assassin agents, and sent them to the families of various countries for use in order to collect a lot of secrets, and gradually extended their evil hands to the court.
Feng Xiaoya, the favored minister of the King of Yan, suffers from bone melting disease. She is unparalleled in her “sickness and beauty”. For some reason, she abandons the eleventh wife, Qiu Jiang, and puts her under house arrest in the mountains. Qiu Jiang, who has forgotten his past, fled alone on a stormy night. After several twists and turns, on the way back, he met Yi Fei, the third prince of Cheng who was in trouble in a foreign land.
One wants to regain memory, the other wants to regain the throne. The two people who are incompatible with each other walk side by side towards Cheng in a bloody storm… but they find that the Ruyi Gate, which has been entrenched in Chengjing for a hundred years like a poisonous snake, seems to have undergone an unknown shock… …
The situation of the Four Kingdoms is back, and there is only one goal – to eradicate the evil organization Ruyimen!
However, as Qiu Jiang’s memory slowly recovered, a unparalleled secret finally surfaced…
Mrs. Ruyi, who is it? There is another mystery behind Ji Ying’s death?
What is the purpose of this return journey after a narrow escape, and where does it go?

- Description from novelbuddy

To be exact, the female lead is an “older sister” type, amid many beauties and handsome guys, she's no white lotus.Also, it's said that the name of this book is the same as a brand of sheep's milk powder.

Delia's life was a cruel reality: the neglected and abused illegitimate daughter of a noble family, the Ellington family, she yearned for the love of her stepmother, Baroness Augusta, and younger sister, Lady Anne, who relentlessly mistreated her.Her world crumbled when she discovered a double betrayal: her beloved husband, Lord George had secretly pined for Anne, marrying Delia only to be near her sister. Simultaneously, her step mother framed her for a crime Anne committed.Overwhelmed and heartbroken, Delia's attempt to escape a death sentence led to a fatal carriage accident.But death was not the end. Delia awoke one year in the past, finding herself still engaged to George. This was her second chance, and the naive girl was gone, replaced by a woman consumed by a burning desire for revenge. Her first target: Duke Eric Carson, the powerful and wealthy man her sister Anne desperately pursued.Delia boldly approached Eric with a proposition for a contract marriage. To her surprise, Eric agreed, but with a condition: their fake marriage would become real and they can go their separate way after a year, hiding his own secret agenda. Now, armed with Eric's unexpected devotion and his willingness to lay down his life for her, Delia meticulously begins to dismantle her family's world. With Eric's help, she exposes the secrets they hide, manipulates their desires, and turns them against each other, orchestrating George’s demotion, Anne's downfall and seizing everything her sister coveted, including Duke Eric love and obsession.Will Delia and Eric be able to conquer all odds to get what they want? What happens when Eric doesn’t want their contract marriage to end? What happens when the last petal of that indicates her second chance falls?———————EXCPRET“I can’t return your feelings, your grace,” Delia whispered, her back against the cool wall.“But I can,” Eric murmured, stepping closer.Delia’s voice trembled. “It’s not the same.” She choked out. “ No one can love me without hurting me.”“Then teach me,” he said, his breath warm on her cheek. “Teach me how to love you the way you deserve to be loved. I’m a quick study.”When she stayed silent, he sighed contentedly, a soft smile playing on his lips.“It’s alright. Just… use me. Anything you need. if you want money, ask the treasury, take as much money that’s needed. if you want power, use my name. if you want security and love, use my body.”His breath warmed her skin, his chest rose and fell with hers. “As long as it's from you, I'm happy.”