Quick Transmigration: The Villain Is Bad and Seductive

There are always heartless people who need to be taught a lesson, people who need to go back to the past, and people who need someone to remind them what love is.

00000020220127 is just such a System. Its name was originally its serial number, but after experiencing its first world, it got a new name: Niu Hulu*Slacker Bro.

World One:

Former “morally bankrupt” woman who toyed with people's feelings × formerly pure-hearted, now darkly scheming male lead

Heroine [not very confident]: “It's my right to turn people down! His car accident wasn't my fault!”

System: “If you hadn't given him hope only to dash it, do you think that would have happened?”

Heroine: “But, ”

System [smiling]: Electric shock punishment ×1

World Two:

Demon toddler who wreaked havoc before being reborn × 200-year-old toddler who's only brave enough to act spoiled under the System's watch after being reborn, paired with a handsome, gloomy adult male human mage

Synopsis:

An Yuan was the most powerful and loneliest mage on the continent.

Every hundred years, he would leave his red-roofed tower to pray for all the different races, then return to his castle and resume his solitary life. This year, however, was an exception.

His heartbeat... seemed to be in the hands of a demon toddler...

An Yuan pretended not to look as he walked past, but the toddler hooked his ankle with its tail. The demon's tail slipped beneath his cloak and gripped his ankle tightly, its bony spines cutting into his calf.

An Yuan stood still. The demon looked at him, its purple eyes twinkling. “Mage~ You smell so good~” it said.

World Three:

Spiritual qi revival:

Standalone stories