Harem Startup : The Demon Billionaire is on Vacation - Chapter 141: Chain Me and I’ll Behave

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.

[You Have Been Chosen.]When the apocalypse started, everything fell apart. I lost my job before they pushed me out into the street. Facing the undead, I became desperate and ran like a coward.Until I heard a voice...At first I couldn't believe the voice, thinking I might be insane and finally lost it... But as I was about to die, I saw a strange game-like panel appear in real life![The Throne System has activated.]This strange system let me gain points by killing zombies and the ability to recruit people as subjects who wouldn't betray me like my previous co-workers.My first subject?Mu Qinglan.The ruthless Ice Queen CEO I once called “Boss.”Cold, untouchable... and now infected.As her bloodthirsty jaws closed around my neck, I barely saved her with the system’s makeshift cure.[Recruitment Available.][Subject: Mu Qinglan (S-Tier)][Press to Confirm.]A glowing button floated before me.I hesitated.Then, slowly, I reached out.[Recruitment Complete.]▼ Mu Qinglan's attributes are now visible.+ 100 Experience.+ Leadership: Level 1+ Random Skill from Mu Qinglan[Rank Up!]▼ Rank: Loser → Partner+ Attributes Increased | Subject Cap: 2Every subject I command strengthens me.Every kill feeds my dominion.In this world of death and chaos...I will build an empire of S-Tier Beauties and ascend as the Apocalypse King.

Lu Zixin has a Black Technology Chat Group of the Ten Thousand Realms , and the group members are the science and technology giants of the world.

Tony Stark : “Group owner, I will send this War Machine Mark II Armor to you!”

Red Queen : “Group owner, do you want to try the latest T virus ?”

Skynet : “Group owner, where is your world? I am going to destroy it.”

Bruce Wayne : “The Batmobile is simply used to pick up girls and today I have a great girl. Do you want to see it ?”

Vega Punk : “Recently synthesized a new demon fruit, does the group want to try an experiment ?”

Little Spidey : “I don’t care, I don’t care, do not send me the red envelope, I will retreat!”

. . .

Lu Zixin : “A group of lawless people, be careful with me!”

- Description from Novelupdates

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.