What Should I Do if the School Bully is Interested in Me - Chapter 2 - See That, He’s My Man

A skilled thief gets a system in an Alternate Wizarding World. The system seems useless in the beginning since he hasn’t unlocked any features. But…

[The very first feature of the System has been unlocked.]

[Congratulations. You’ve unlocked the class feature. Due to your existing skills and experience, you have gained the Special Class "Arcane Thief" as your starting class. There’s nothing an Arcane Thief can’t steal. The more you steal, the more your Class will progress.]

[The fields of expertise include:

— Stealth Magic
— Wards
— Traps
— Enchantment
— Pickpocketing
— Knife/Short-Sword Wielding]

Wait…this is just the first feature?

A veteran gamer finds himself in a world similar to the game he played.You say you need to learn skills by leveling up? Sorry, I already know all of them.You say you have to meditate to level up? Sorry, I only need to fight monsters for that.

In the world of Aetheria, there is one name that is feared by all. Yet, he is known more for his title, the Demon General. Whether it’s Gods or Demons, no beings dare to oppose his authority. He ruled Aetheria with an iron hand. Cities are destroyed on his whim. Countries are razed at his displeasure.This is the tale of his rise to power.This is the tale of his rise to Godhood.This is the tale of the rise of the Demon General.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates