Hagakure Sakura Does Not Lament - Chapter 140

Crossing to One Piece world, he became Roger’s younger brother.

Unexpectedly, Gol-D-Roger who was in his fifties had a teenage brother. But he was so weak.

Fortunately, at the age of sixteen, he actually found himself with a possession soul system.

He had attached to the master IP man, also to the White Phoenix and to Ge Nie with his strong ability of the Hundred Step Flying Sword.

If you think that he can only Purchase these? Then you’re wrong!

Pain, Itachi, Ichigo Kurosaki, as long as there is money, any soul can be Purchased.

- Description from Novelupdates

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.

In a single day, a global calamity wipes out humanity, leaving their souls adrift in an endless void.An enigmatic entity, responsible for the catastrophe, offers a twisted mercy: reincarnation into a deadly“King's Game.”Every soul from Earth must choose a character card to determine their new form and fate.Chaos erupts as billions scramble for power. Some snatch weak cards in haste, while others luck into formidable ones.Su Ping, caught in the frenzy, watches desirable roles like Goblin King, Blood Goblin King, and even Succubus King vanish.Desperate, he claims the only card left: Dark Dragon King.To his shock, this “lowly” dragon bloodline ranks among the top 1000 strongest. As Su Ping finds himself in a treacherous cosmo's where every player is a king vying for supremacy, he wonders:If a dragon is this low, what monstrous powers lie at the top?

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates