MTL - I Have Signed in at the Academy for 80 Years, and I Am Invincible in the World - v3 Chapter 669 True Dragon's Nest Open (Large

Aria and Ivy are twin sisters whose father has gone missing for three years. They have left no stone unturned to find him, but all in vain.

In an unusual encounter, a business tycoon, Noah Allen Carter, falls in love with Aria. Meanwhile, Ivy approaches Joshua Martin, who is a friend of Noah, to help find her father and in the process falls for his charms. What happens when the sisters find that the people they love are the ones behind their misery?

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“Ivy, sweetheart. Please come back. I love you.” Joshua cried holding her hand. However, there was no response from her.

“Ivy, please say something. Don't be like this.”

Joshua kissed her hand, but Ivy had long made up her mind. Only a miracle could make her come back to him.

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“I hate you, Noah,” she shouted.

“I love you, Aria,” he replied, pulling her towards him.

“No, you don't.”

“Yes, I do. Falling in love with you is the best thing that ever happened to me. I will always love you; today and forever.”

After midnight, you’re not allowed to enter the bathroom.

At exactly 2 am, there was a knock on the door.

A woman with disheveled hair and a bony figure always had her back turned to me.

Encountering strange events? Luckily, I can rewind!

This is a story of a reborn individual who navigates a world invaded by strangeness, carefully taking

- Description from Novelupdates

William Medici was not born into this world—he was reborn into it. But fate has already decided his role. He is not the hero. Not the noble king who rules with honor. He is the villain.A system lurks within him, not as a guide, but as an ever-present spectator—one that delights in chaos. It grants no power freely, offers no redemption, only a whisper:The world is a stage. Your role is the villain. Play it well.In a realm where betrayal is currency and power is the only law, William does not resist fate—he embraces it. Every alliance is a move on the board. Every rival, a piece to be sacrificed. Every betrayal, already foreseen.But even a villain is not invincible. Enemies rise. Shadows scheme. And the system watches, amused—waiting to see if he will fall...Or if he will burn the world to prove that even fate can be rewritten.But one question remains:“Who summoned him… and what do they want in return?”--------------------------------AUTHOR HEREWilliam Medici starts off seeming wholesome—but don’t be deceived. He’s selfish, cunning, and manipulative to the core. This is a true villain’s journey.What makes this story stand out isn’t just the dark MC, but the deep world-building, unique power system, and layered, three-dimensional characters that evolve with every twist.more things(1) the first arc is introduction of the world so other is no deep manipulation or action but from the second arc the main chaos starts manipulation. killing and obviously charm.(2) The mc is cunning not because I say so but because he is.(3) the will be new chapters regularly.