No system + no heroine + many beauties + academy - although it is not aggrieved

Hundreds of years ago, the Blue Star and the Demon Star were connected by a dimensional rift, and demon beasts invaded.

Humans can awaken special powers and strengthen themselves through practice.

Ye Lan was murdered but was reborn with a great opportunity, rewriting his fate, turning into an old villain, and punishing all the young and frivolous geniuses.

He hid himself until no one knew his true strength, but he climbed up in an invincible manner!