One Piece: I'm Destined to Be the Son-in-Law King! - Chapter 153: Oden in Imagination

Leo used to be an affluent rich young master, who fell in love with a foreign beauty and after a night of passion, they got pregnant. The young man returned home to discuss the issue with his family only to be struck by a tragedy that changed his life completely.After eight months of laying in the bed like a vegetable, he woke up because the Almighty Father System selected him as a host. From then on, Leo's life changed once more, but this time, it was not the world that flipped him over, but he was the one who flipped the world upside down.Would you like to read about the story of a vegetable rising from the brink of death and becoming into a godly existence who slayed gods, and demons only so that he could bring a smile to his daughter's face? Come along then.

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Keiran has always dreamed of being a hero—exploring vast worlds, defeating powerful foes, and growing stronger with every battle.In his favorite RPGs, he could live that fantasy. But when he's suddenly summoned by the god of Eteria, his dream becomes reality.Chosen to stand against the encroaching darkness threatening to consume the world, Keiran is granted four extraordinary abilities: the power to absorb, upgrade, create, and transfer skills.With limitless potential at his fingertips, he embarks on an adventure to collect, refine, and bestow incredible powers upon allies and himself.As he hones his abilities, forging new paths in magic and combat, Keiran will shape Eteria’s fate.From a summoned gamer to a legendary hero, he will not only fight the darkness—he will redefine what it means to be powerful.