MTL - Paradise of Demonic Gods - ~ 1113 Battlefield

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

When human beings ventured into the Interstellar Age, they encountered the Ochs Civilization, and thus followed the first Interstellar War.

Lost territories continued to increase along with the skyrocketing casualties. Eventually, humans were forced back into the Solar System.

In the 58th year of the Federation, Lin Fan, a traverser from Earth, graduated from the Interstellar Military Academy and entered the Federation Fleet.

That then signalled the day of the humans’ counterattack!

From dominating the Milky Way to the entire Universe, mankind never stopped.

This is a story of a traverser leading mankind to rule the Universe!

What if you received a divine artifact?What if yours was the strongest soul in the world?What would you do with the power to simulate anything, even an entire solar system?Follow Jack as he learns how to use his new gift, makes new friends, dominates the technology sector, travels to the stars, and so much more.There will be a harem, but Jack will not be snatching up every girl that smiles at him.There will be R18, but it won't be the dominant theme.There will be robots, and nanotech, and so much more.And maybe a face or two will get slapped along the way.

In the 312th year of the Great Yu Kingdom, the Demon Sect suddenly rose, the Eastern Bureau was annihilated, and the Lin faction collapsed. This year, the situation changed dramatically, the martial arts world was filled with intrigue, and the dynasty was on the brink of danger.The starting point of everything was due to the Demon Sect Saintess dying an untimely death.“This case is now closed, and you are no longer a suspect.”After another round of investigation, Chen Yi returned home and pushed open the door.The Demon Sect Saintess, who should have been dead, was curled up trembling on his bed...“Master...”She called out to Chen Yi.The enemy of the previous life, now a concubine in this life.…………………The Empress Dowager who controls the court, the pure and flawless Demon Sect Saintess, the ninth-ranking one-armed sword master of the world, the emotionless Taichua Goddess, the chivalrous and tender-hearted Spring and Autumn Sword Master...They are all my enemies, all once wished me dead.In the end, they all resigned themselves to subordination, swallowing their shame.