Shadow's Oath - Chapter 4

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Waking in a strange yet familiar room the main character now will rise to the top of one most dangerous worlds of fiction with his new cheat.

Kain, a young teenager, accidentally lost in a Dungeon and awakened a special system. A system that allows him to continuously return to level 0, using his level to add and increase his skill points. From there, Kain began his journey to find the truth of this world, and when he took off that mask, what he saw was...

Killing a person in ten steps will never stop a thousand miles away!

The evil leader broke through the barrier of time and space and became a descendant of Chinese medicine.

An era in which traditional Chinese medicine is in decline and ineffective.

Medicine is declining

Budo is fading

humanity is sinking

Under the surface of the peaceful world of singing and dancing, there is another treacherous and unfathomable world.

Experts can cure diseases, and national players can save people’s hearts.

- Description from novelbuddy