I Became the Tyrant of a Defense Game - Chapter 747

[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…

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?

Su Wan is a Realm Destroyer. She shuttles to different time-spaces using the identity of the “Cannon Fodder Ex-Girlfriend”, dedicated to plotting how to happily tear apart the male protagonist and the female protagonist. –There’s no such thing as protagonists who can’t be torn apart, only Ex-Girlfriends who don’t work hard enough~

- Description from Novelupdates

Ye Qinghan, young master of the powerful Ye Family, gets ostracized when his peerless father meets an unfortunate end. Lacking strength and in a bid to live a Purposeful life, he suffers through the unending ridicule, bullying and torture dealt to him at each turn. However fate is a cruel mistress and offers only pain and misery with no end in sight. Broken, weak and distraught, Ye Qinghan embarks on a journey to usurp the hands of fate and attain strength to protect his own.