I Only Want to Be the Villain, So Why Did the Heroine's Character Fall Apart?

Ye Lan transmigrates into the role of a villain in an immortal sect, only to discover that all five of his junior sisters are protagonist material.

Fortunately, he activates the Great Villain System. As long as he kills all five of them before they come into their own, he will earn god-tier rewards!

Supreme Bones, Dual Pupils, god-tier cultivation techniques, immortal bloodlines, and spirit beasts from the Immortal Realm: all the benefits reserved for the Chosen of Fortune fall into Ye Lan's hands.

But soon, he realizes things aren't quite that simple.

Why can't he kill his five junior sisters no matter how many times he tries, and why do they only grow stronger each time?!

Why, despite doing all the things a villain would, has the righteous path hailed him as a model cultivator?!

Why has he, the greatest demon of them all, become the leader of the Dao Alliance and the champion of the fight against the Demon Cult?!

Most importantly, why are his five Chosen-of-Fortune junior sisters giving him increasingly flirtatious looks???

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.