Be the Hardest Working Demon Cultivator! - Chapter 54 - , this delay is quite severe.

Based on the popular Vocaloid song .

Rin, a young angel (presumed female, but angels don’t have clear genders) falls in love with a young human girl, Miku. However, their love is considered taboo, and so, Rin makes a deal with the devil to be reborn as the human boy, Len, in order to be with Miku. However, their happiness together is short-lived, and even that soon ends in tragedy.

Jiang Liu lost his father at the age of three. When he turned five, his mother decided to run away with another man. At the age of fourteen, he sent off the only relative he had, his grandfather, before carrying a small amount of property and stepping into the big dyeing tank called society.
He was stingy, selfish and absolutely disgraceful. Except for breaking the law, he accumulated all the bad habits available to the mankind. Yet, such a man, after an unexpected death, was bounded by a silicon-based creature called the righteous father’s system. Since then he started his magnificent career in the world system.

World 1: On the ultimate evolution of unquestioning filial piety;

World 2: The man who loves to boast;

World 3: The search for the second spring for ones own mother

World 4: Good father

World 5: The self-cultivation of a national husband

World 6: Acrobat

World 7: Divine stick

World 8: My home has a baby egg

World 9: The correct way of wearing the green hat

World 10: Tremble, you scum man

World 11: An angel who doesn’t like to talk

World 12: The rebellion plan of a martyr

After several worlds went by…..

Righteous father’s system 001: [Shivering], I wonder if I still have time to change my host.

- Description from Novelupdates

“I will look up into the sky on this wasteland and fight for our civilization!”Xu Mo was accidentally transmigrated to an apocalyptic world. He quickly learned that his parents had just passed away and he was being hunted.Not only that, but his only uncle was trying to take away the money his parents had left for him.In order to protect himself and his younger sister, he steeled his heart and decided to walk down the dangerous Path of Evolution.“Energy, magnetic field, dark matter, radiation… All of these are now known as Source Power!”By absorbing the Source Power, one could evolve their body, activate uncharted brainpower, awaken abilities, and even create weapons.One could even travel through the vast universe if they got powerful enough.For Xu Mo, who had just started to absorb Source Power, he started to realize that he could see things that others could not.

Su Bai unexpectedly finds himself traversing into a world where urban dramas collide, bound by a mysterious system.Upon arriving at Shuxiang Yaju, he happens upon Song Qian, who is awkwardly stuck in a doorway. Without hesitation, Su Bai comes to her rescue from behind, freeing her.From that moment on, their relationship takes an unexpected turn, and before they know it, the two inadvertently find themselves wandering into a tangled web.Just as they become ensnared in one another’s company, they are caught—by none other than Tong Wenjie from Chunfeng.Blushing furiously, Song Qian stammers, “Wenjie, let me explain…”Wenjie smirks, “Explain what? I want in too!”Pei Yin interjects coyly, “Su Bai, don’t you think you should be fair? If you’re tutoring Teacher Song, I’d like the same treatment…”Nuo Lan teases, “Do these stockings look good with my dress?”Gu Jia sobs, “You’re so capable… I can’t help it!”Jiang Nansun calls out, “Su Bai!”And there are more: Xu Hongdou, Zhuge Dali, Wan Yu, Jiang Lai, Qiao Jingjing…