Sorcerer in a fantasy world - Chapter 24 -

Even the most capable people cannot escape calamity. Zhang Ping, who dreamed of becoming the world’s best, voluntarily enters the palace to become a eunuch before his father has to resort to plundering and crime.

How can a prince be so thin and bony, that was Zhang Ping’s first impression of Huangfu Jie.

The prince looks at the kneeling eunuch, the scars and wounds on his body not yet healing.

Zhang Ping’s eyes turn red—I curse your ancestors for eighteen generations!

He is just little uglier; weirder than normal people.

Are ugly people not human? I, Zhang Ping, swear to cultivate the world’s second best over here in the palace!

- Description from Novelupdates

…but it seems pretty doable.

The world froze.Literally froze. The chattering students, the falling cherry blossoms outside the window, even the dust motes in the air – all suspended in perfect stillness.“Oh wonderful hero,” a melodious voice echoed through the room. “Your world faces a terrible crisis, and you have been chosen to—”“No,” he said flatly.A pause. Then a shimmer of golden light coalesced into the form of a beautiful woman in flowing robes. She blinked at him. “I... what?”“I said no. I'm not interested in whatever quest or destiny you're selling. Pick someone else.”The goddess's perfect features creased in confusion. “But... but you've been chosen! The prophecy speaks of a warrior with a fierce spirit, one who—”“Lady, I don't care about your prophecy. I've got enough problems here without adding some fantasy world's issues to the mix. Now un-freeze time and leave me alone.”“You don't understand,” she pressed. “Our world is being ravaged by the Demon King's armies! Millions will die without—”

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.