With Gacha being the Eternal Void - Chapter 1 - . Beginning

The long night shrouds the world, and the dawn is late in coming.Evil descends upon the land, causing immense suffering to all creatures.He roams through the long night, wanders on the edge of the blade, and sways between the clouds and hell.Igniting the fire of the star soul.Since the night is long, then I shall be the lord of the night.

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

What do you mean by you only accept female disciples?Zhang Yuan glanced at the Emperor of a powerful Dynasty kneeling in front of him and his son, the prince is also kneeling beside him.“Master Yuan, please accept my son as your disciple. I am sure that under your care, my son will reach the pinnacle of the Heavens.”Pinnacle of the Heavens? Zhang Yuan turned his gaze to the so called Prince. Talentless, weak physique and sh!t cultivation technique.Tch, worthless.Zhang Yuan then turned his eyes to another Dynasty Emperor “Master Yuan, please accept my daughter as your disciple.”Seeing the gorgeous woman kneeling in front of him, Zhao Tian smiled faintly.Talentless? I will make you the most talented mortal entity this world has ever seen.Weak physique? I will give you a physique that will break even the limitations of the heavens and earth.Sh!t cultivation technique? Don't worry, choose the best divine technique you want.Sorry but I only accept female disciples!