One Piece: Shadow monarch? I'm Just Logistics! - Chapter 6: Kuro, I Need You to Help Me Train

Zion, a solo adventurer, recklessly entered a dungeon beyond his ability.Alas, that was the last thing he did. Wandering inside a dungeon for hundreds of years, as an undead, he kept advancing into the dungeon. Slaying monsters left and right until his undead body underwent ‘evolution’ many times over――――By the time he regained his ego, he had already become the strongest undead: 【No Life King】.Humankind, who was made aware of the appearance of a new world-class disaster monster, felt dread as they fell into the abyss of despair. 「The world is… done for.」…Or so they think.「It’s okay, do I look like an evil undead to you?（Smile~）」「「「HIIIIIIIIIIIII?!」」」「…SOMEONE PLEASE TELL ME WHYYYYYYYYYYYYYYYYY?!」This was the tale of the humans who trembled in fear [out of their own convenience] and him, an undead, who actually had no intention to destroy the world.

In the interstellar era, gangs and predators are rampant, all over the galaxy. Chen Han, who makes energy blocks for a living, is bullied at the bottom of the society. In order to survive, he throws himself into the darkness and becomes a member of the gang. At the end of the road, he obtained a super warship that can be transformed unlimitedly as long as he has resources, and founded the notorious bandit gang “Beiliang”. At this point, the endless plundering began…

- Description from novelbuddy

Qin Zhaoyue, a hundred-year-old Soul cultivator and famous artifact refiner, dies and transmigrates into a body of 16-year-old Xi Zhaoyue, who was killed on her wedding day.

The unlucky previous owner of the body was an illegitimate daughter of an influential family and was forced to live her whole life in the orphanage. However, at the age of 16, her Guide glands were awakened and as fate willed it, Xi Zhaoyue happened to have the highest compatibility with the youngest, bravest, most handsome Major General of the Empire, a dream husband of the whole Outer Space! Finally, a loving family she so longed for was within her reach… Yet, at the wedding ceremony, her Mental sea was invaded and she died.

Once Zhaoyue figured out the situation she landed herself in, she vowed: she wouldn’t be a proud and self-respecting cultivator, if she didn’t strive for independence, for the right to live the life freely! Cultivate, refine, get stronger! Become your own person!

- Description from Novelupdates

The youngest princess of the country of Stellaus, Marietta, was betrothed in a political marriage to the General of the great militant country, Oltaire. General Belvant was often said to be strong, a fierce and terrifying god of a warrior. On the other hand, Marietta was a delicate flower of a princess. Everyone felt pity for poor Marietta’s situation, however, the truth was that Marietta found the General very dreamy… The story of a 30-year old General with a scary face (who was actually quite nice), and the tiny and adorable 18-year old Princess in their times of conflict and of lovey-doveyness.