Who would study psychology unless they had some issues?! - Chapter 131 - 129: Spirit Prescription Drugs Have Always Required Caution

A data loving young man from Earth has an accident which transports him to a dark land filled with terrifying creatures and magical powers. Fortunately for him, he has a Biological Assistance Chip to ease his path. However, things in this bizarre and strange world are not always as they seem, and, though it is a tremendous asset, the chip doesn’t always work as expected. With all of the crazy creatures and magical mayhem around him, one can only wonder what the future holds for this young man…

- Description from novelupdates

This work portrays the perspective of Yuhanna, a masochist, as she falls into a state lower than livestock, ultimately becoming a mere human toilet.This is an extremely dark and hardcore explicit story.It delves into almost all hardcore genres feasible in a modern setting, excluding fantastical elements.Hardcore | Dark | Masochist | Submission |Incest| SM | R18 | SMUT

Yun Che, a big shot in the doomsday, who even the militaries drooled upon, finally died in the hands of his beloved and family. After reincarnation, he wanted to live for his own!

Xing Feng, a rooting third military generation, didn’t lay his heart in the army at all. So when he turned to 20, he chose to leave the army and went into business. When the doomsday came, he accidentally met Yun Chen and started a new chapter of his life, meanwhile, his moral bottom line kept hitting a new low…

- Description from Novelupdates

streak of being publicly humiliated in every story route. In other words, he was the designated cuck of the game Academy of Roses.Too bad for everyone, Cassius is now possessed by Arawn—a burned-out gamer who just tried to kill himself after exacting savage revenge on his sister’s cheating husband.Waking up in the body of the most pitiful character in eroge history? Not ideal. Finding out his missing sister has also been isekai’d and is now pretending to be Cassius’s noble “sister” to avoid suspicion? Wild. Realizing she’s about to be married off in another forced engagement plot? Yeah, fuck no.Armed with system powers(everyone has it), broken stats(for your average joe), and a big 'sister complex'(Not Incest) on steroids, Arawn has one simple plan: Live a peaceful life with his sister, for it he would, Break the rules. Shatter the narrative. And if anyone tries to play the protagonist? Use them for his own plans.This time, the cuck’s got teeth. And he bites back—in the most painful ways.—————Warning: The MC is a villainous character, he is psychotic, manipulating, borderline insane and unhinged. So, please keep that in mind