The Fake Heiress Turns Out to Be a True Tycoon! - Chapter 399: I’m Even More Awesome Than You Think

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.

Upon arriving in another world, I found myself become a weed that people casually stepped on.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Su-jin is a high school student whose life is filled with loneliness. Weighed down by school bullying, personal struggles, and isolation, she finds herself growing weary of everything. At that moment, a mysterious shadow enters her life—a man she only sees in her dreams, through his face remains hidden. Surprisingly, his influence extends beyond her dreams, shaping her into a stronger, braver, and happiest person.As time passes, Su-jin finds herself drawn to him, yet his presence brings more than just emotions—it leads her to extraordinary friendships and unexpected adventures.Among them is Yeong-ae, a skilled spy who enrolls in Su-jin's school to investigate the mysterious death of a girl named Ha-na. And then there is Jung-hee, a young detective who begins working as an undercover high school student on a major case. Along the way, she unexpectedly meets Su-jin, which gradually develops into a deep friendship.Day by day, Su-jin's life becomes like an adventure book; each page of which becomes an unfolding adventure filled with excitement, romance, secrets, challenges, and discoveries. But in the midst of this mystery, will she ever find the invisible man who stole her heart?