There Is A Huge Problem With My Achievement System - Chapter 687 - How to Use the Superb Iron Head Technique in a Real Battle?_2

Su Jin, an ordinary poor young man from the countryside working overtime every day to make ends meet in the city to support his family, finds himself in the possession of a book only known as Hell’s Handbook.

The Handbook universe initially seems like a video game as it proceeds to throw him into a different world every month, each world filled with supernatural beings, mythical creatures and deities, and even includes a complete point system along with weapons and special skills.

Surviving these challenges is not easy, but it comes with great rewards.

But he soon realizes that all of this is real. The monetary rewards and magical items he receives from Hell’s Handbook can be used in the real world, but in the same way, every person who dies during a challenge dies in the real world too.

As Su Jin desperately tries to survive each challenge he is thrown into, he slowly starts to uncover the truth behind Hell’s Handbook.

Who is behind Hell’s Handbook and its horror filled challenges? Each challenge reveals a new truth about the world Su Jin lives in, bringing new people into his life even as the world around him becomes harder and harder to trust, and perhaps, even a greater mission in life…

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You had taken up the Student profession

You had now reached level 7.

Acquired skills: elementary school knowledge, junior school knowledge, and senior high school knowledge.

You took the university entrance exam and scored full marks.

Your have been upgraded to level 9, and you have activated the profession-change interface.

You became a scientist and gained R&D skills.

You used R&D skills and gained space fortress-building technology.

You used R&D skills and gained starship technology.

You are now invincible.

“Brother, I loved you since before I was born!”

Corporate s*ave Yukimura Rina was reincarnated as the villainess Ekaterina from an Otome game. In her past life, she was obsessed with the brother of the Villainess, Alexei, but seeing him in real life is so much better than in the game! It’s just that, her brother’s upbringing is just so sad that she cries every time she thinks about it!

“Okay! I’m going to escape mine and my country’s destruction flag and make sure everyone lives happily!”

Thus, the villainess from the prestigious 400-year-old Yurinova Dukedom along with her sharp-tongued tendencies back when she was a corporate s*ave forge on forward. With her common sense and knowledge of history, she plans on saving her brother and overcoming all the game events.

For some reason, as time goes by, her talented brother becomes more and more of a siscon. Wait no, he was a siscon to begin with, but she’s more than happy to spend more time with her brother as a brocon and siscon.

And as time goes by, her plan to avoid the heroine and the prince death flag has become more and more messed up. Why? No no, the two of them are good people and good friends, but…

“Prince, stay far far away from me.”

Even so, the settings of the Otome game she played before are completely messed up in this world, nothing is the same.

Anyways! The evil villainess Ekaterina will do her best for the sake of her brother!

At her wedding banquet, a man claiming to be Selina's lover stormed in, brandishing so-called intimate photos and causing chaos.Selina immediately saw through this as a scheme orchestrated by her half-sister, Natalia. However, Selina's fiancé, Ryan, not only refused to believe her but also went out of his way to defend Natalia.It turned out that Ryan and Natalia had already developed feelings for each other in secret. Everyone—Selina's father, stepmother, and Ryan's parents—knew about their affair, except for Selina, who was left in the dark.Taking advantage of the situation, Selina's father suggested swapping brides, proposing that Natalia replace Selina and complete the wedding. Ryan's family not only didn’t object but wholeheartedly supported the idea.That was the moment Selina finally realized the cruel truth: her family and Ryan's family were nothing but wolves in sheep’s clothing!“Cancel the engagement? Fine. But let it be clear—I’m the one rejecting you, you two-timing, spineless excuse for a man!” Selina declared with unshakable confidence.Her gaze then swept across the room, landing on an elegant and distinguished man. She vaguely remembered him as Ryan’s younger uncle. Walking over, she boldly asked, “Sir, how about getting married?”The man raised an eyebrow, finding her audacity intriguing. “It would be my honor, madam,” he replied....