MTL - Comprehensive Manga: The Wandering Ninja World Started From Questioning Payne - Chapter 1 : Exam space

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?

The prosperity is about to come to an end, and the poor boy quietly rises.

Traveling across time and space, seek the leader of the world.

- Description from novelbuddy

The orphan Chen Ziyang from Lower River Village, raised on food from a hundred families, was later adopted by the old Divine Doctor in the village. He learned the “Divine Dragon Controlling Phoenix Technique” and embarked on a monstrous and legendary life.

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power