I am that male friend in the harem story - Chapter 38: When you get a girlfriend, you will become popular

[Ding!][Mission Unlocked: Eliminate the moles planted by Rose in the Reid Industries.]Reward: $10 billion in cash upon mission completion.~~~~Alex, a 18-year-old ordinary guy, finds himself inexplicably transmigrated into the plot of a Cheesy with no logic bashing novel.But his excitement quickly turns to dread when he realizes he hasn’t taken the role of the protagonist but the villain.To make matters worse, he’s destined to be the first stepping stone for the novel’s protagonist—the Plot armor son.Terrified of his impending doom, Alex thought of changing his strategy of even going as far as changing the whole story plot if he can survive in this braindead novel.And like some ROB or GOD answering his prayers for having fun on his decision, a mechanical voice spind in his mind and a blue transparent panel appeared in front of his eye.[Ding!][System Activated!]Detecting the host's desire to alter the original storyline.Activating [Villain System]…Alex’s relief is short-lived when he discovers the system’s peculiar goal:[Ding!][Mission Unlocked: Eliminate the moles planted by Rose in the Reid Industries.]Reward: $10 billion in cash upon mission completion.With his life on the line and a mission ahead, Alex embarks on his journey to survive the braindead Novel.Will he be able survive or fall victim to the Plot Armor son Aka Protagonist.Well that is for the future Alex to decide and know and you readers…

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

(Isekai, Fantasy, Non-transmigration, Unconventional, Ensemble cast, Meticulously crafted setting, Multiple identities, Light novel, Succubus)I have many masks, and each has its own story.I am the unremarkable little artist of the Church of Dawn; the strongest apprentice in the gladiator arena; the killing machine in the eyes of goblins... The holy nun beneath the sunlight is me, and so is the old gentleman on the train... I have hurried through underground tunnels in escape, and I have left behind beautiful legends on the frontier...Beneath the mask, there is an even more beautiful mask; within the lie, there often lies a hidden truth...My name is Ogre. A child raised by ogre since birth. It's a pleasure to meet you.

What happens when a scientist from a futuristic world reincarnates in a World of Magic and Knights? An awesome MC is what happens! A scientist’s goal is to explore the secrets of the universe, and this is exactly what Leylin sets out to do when he is reincarnated. Dark, cold and calculating, he makes use of all his resources as he sets off on his adventures to meet his goal. Face? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now. You want me to help you? Sure… but what benefit can I get out of it? Nothing? Bye. Hmmm… that guy looks like he might cause me problems in the future. Should I let him off for now and let him grow into someone that can threaten me….. Nahhh. *kill*-

Alternative: Leylin is transported from an advanced technological era into a medieval world— except there’s magic. Equipped with “only” his quick wits and an A.I. chip fused to his soul, he sets out to become the most powerful magus the world has ever known. In a land divided into the Light and Dark Magi, the weak can either be cattle or disposable slaves. Only the strong can determine their lives, and only they have the luxury for virtue. Yet strength is only a tool for Leylin, like any other. His goal, in the end, is his own.