The Black Beast’s Useless Concubine - Chapter 2546

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Only I know the end of this world.

One day our MC finds himself stuck in the world of his favorite webnovel. What does he do to survive? It is a world struck by catastrophe and danger all around.

His edge? He knows the plot of the story to end. Because he was the sole reader that stuck with it. Read his story to see how he survives!

[I have led a cautious life, but the system keeps trying to do me in] “Ding Dong!” “Welcome to the Smart Cultivation System!”

“You have chosen to cultivate the Bone Forging Art. The system will start cultivating for you. The system has detected that the host is missing the Bone Tempering Pill. Please wait a moment…” “Ding Dong!”

“The system successfully stole ten Bone Tempering Pills for you, and the cultivation will continue…” “Important reminder, while the system is cultivating, you will lose lose control of the body…”

After getting the Smart Cultivation System, Pei Ling began to grow stronger rapidly. He was prepared to become a deity until one day… “Ding Dong!”

“You have chosen to cultivate an unknown technique. The system has identified this as a dual cultivation method. The system will start to cultivate for you. The system has detected that the host is missing a Dao Partner. The system is looking for a Dao Partner for you…” So, Pei Ling watched as he ran to the fairy’s training room next door, drugged her, and carried her into his room…

When she was eighteen, she was forced to take her sister's place and married him, who was disabled in both legs and impotent therefore.Despite all this, she has accompanied him through the darkest period of his life.However, two years of marriage and companionship still couldn't compare to the return of her sister.In order to treat her sister's illness, he even cruelly forced her onto the operating table, disregarding her pregnancy.His cold-bloodedness and ruthlessness left her heartbroken. After leaving the weak and sickly second child with him, she disappeared with the other two children.It wasn't until he completely lost her that he realized he had already fallen deeply in love with her.......Five years later, she returned with mini versions of their child.Looking at the adorable child who seemed like a spitting image of his son, his face turned pale.“Why do you look exactly the same?”The little one replied, “Biologically, only identical twins look exactly the same.”“?...”Did she give birth to twins?He angrily cornered her against the wall and asked, “So, you had twins back then?”She chuckled awkwardly, “If I say it was triplets, would you kill me?”