MTL - Harry Potter: Hello the Dark Lord - Chapter 34 The Bewitchment of ‘Taboo’ (middle)! ! !

After accidentally transmigrated into the world of Hunter x Hunter, Akira discovered that he was an extremely rare natural Nen user!With the Nen ability Pokémon Master, he could automatically spawn Pokémon simply by traveling or participating in events.As he journeyed to various places, his Pokémon team grew larger and more formidable!The beautiful and powerful “Psychic Queen” Gardevoir.The “Purple Glutton” that devours all evil Gengar.And countless pseudo-legendary Pokémon!Before he knew it, Akira had become the strongest in many fields across the world!Now standing before you is the world strongest Nen exorcist, the strongest Floor Master of Heaven Arena, a Triple-Star Hunter in the fields of ruins, gourmet, and bounty hunting, and one of the world' top five Nen users—Akira!TL Note -This is a Translation

Emperor Ian Veroshion, the first noble mage, was betrayed and executed. Cursed to never be reborn, he awakens a century later as the illegitimate son of a disgraced ducal line, destined to be a hostage in a barbaric land. Stripped of his magic and his throne, he must navigate a world vastly different from the one he ruled, facing political machinations and a resurgent monster threat. But the embers of his past life still burn, and Ian will not surrender his legacy. He will reclaim his name, his magic, and perhaps, even his empire.

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.

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