Devil Slave (Satan system) - Chapter 1229: The Real Spy?

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

Cornered and with a face full of grievance, she exclaimed: 'You lied again!'He laughed: 'Behave, I'm not deceiving you this time.'To escape from Gu Beicheng, the demon, Xia Yinyan found herself a contractual boyfriend. Unexpectedly, the demon turned out to be the uncle of that very boyfriend.He is the domineering emperor of the business world in Yecheng, abstinently aloof and indifferent to women. However, the little creature who accidentally entered his life has made him protective for a lifetime...

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.

Felix Morningstar's life was a tale of both fortune and misfortune. Blessed with an IQ of 170, he was a true genius, fluent in twenty languages and well-versed in a multitude of fields, from mathematics to science, computer science to finance. With his exceptional intellect, he rose to become a self-made billionaire by the age of twenty-five, earning a spot on the prestigious Forbes list as the youngest billionaire.However, Felix's early years were marked by tragedy. Born an orphan, he was abandoned and left to fend for himself. Despite his remarkable abilities, he never experienced the warmth of a loving family. Instead, he faced constant bullying and isolation, even as he excelled academically and professionally.Despite his success, Felix remained haunted by a sense of loneliness and distrust. He struggled to form genuine connections, wary of those who sought to exploit his wealth and power. Yet, fate had other plans for him.During a fateful business trip, tragedy struck, and Felix's life was cut short in a devastating plane crash. But instead of meeting his end, Felix found himself reborn in a new world, his memories intact and his potential limitless. Bound by a mysterious entity known as “the system,” he was promised unparalleled strength and influence in this unfamiliar realm.Now faced with a new beginning, Felix must navigate this strange world with his unmatched intelligence and unwavering determination. Will he find the sense of belonging and love that eluded him in his previous life? Can he truly carve out a place for himself in this new reality, or will the challenges ahead prove insurmountable?Only time will tell if Felix Morningstar, with his extraordinary gifts and unyielding spirit, can find his place in this world and finally discover the true meaning of family and connection.