A Hentai System in the World of Danmachi - Chapter 15 - 14 - The system answered me.

Feng Yun was an ordinary young man who was unable to cultivate. One day, He got the inheritance of the Ancient Yang Demon Clan and a mysterious sword. With these he became a super genius and started his new journey from a small town to heaven, sweeping across the world, vying for the supreme existence.

Ever since an NPC named Shu ChunChun, who had been taken advantage of and used carelessly by the world-hoppers, awakened her consciousness, she knew that the only way to drive out the world-hoppers was to make them fall for her, HARD.

- Description from Novelupdates

“It’s true… So why does no one believe me?”Sometimes, I play small pranks, but they’re really just small ones.I’m not the mastermind at all.

“I am Bianca Valestra, Witch of the Frozen Night, an enemy of Humanity. By choosing to follow me, you will be fighting not just humans—but the entire world. I no longer wish to lie to you, Elian. If you wish to walk away or choose another path, I will let you.”Yet the boy shook his head and laid his hand gently over hers.“I am no longer human. I just committed what I think to be genocide. I am not afraid. For you—the one who saved me, gave me purpose, and my only desire—I will fight. I do not care how many come. I will kill them all.”___In the year 2030, everything changed.Portals to other dimensions appeared without warning.We called them dungeons.And from them came monsters that knew only destruction.But in humanity’s darkest hour, a sliver of hope emerged.People began awakening strange abilities—Talents—to fight back.Years passed. A fragile normal returned.Our story begins with Elian Reeds, a teenage student born in this new world—without a Talent.A Defect, they called him. Useless. Broken.That is, until he meets her.A fallen villainess whose name still strikes fear and reverence alike:Bianca Valestra—divine in beauty, and colder than death.This is the tale of their meeting.The chronicle of their journey.And the legacy of their triumph.