World Development System - Chapter 318: 249. It is ok, he is only rude on the outside.

You might not believe it when I say this, but not all top students are the same!-------------------------------No system, high intelligence, character-driven slice-of-life book!

In the Tranquil Sun province of the empire, there exists an unremarkable lordship known as Xue Ying Territory! This is the home of the Dong Bo clan, the clan of our hero Xue Ying!

His father, a commoner turned noble; his mother, a noble who abandoned her clan for love, and his brother, an innocent toddler. But peace cannot last forever, Xue Ying’s peaceful life is shattered, and the only way to reclaim it is through power!

“These are my conditions. You have to agree upon them before we can get married.”“Accepted. Each one of them is accepted. Any more conditions, soon to be wife?”“Yes, I want your help to destroy my jerk of an ex-boyfriend.”A sly smile appeared on the lips of the men sitting opposite her.“With pleasure.” How could he let his competitor stay unharmed? He would be having his own fun in destroying the man who had made him taste vinegar a lots of times.“Something as?”Before she could even shake her head, he stood up from his seat and held her hand. “Let's go.”“Where are we going?”“Civil affairs bureau. Any time later and it will be closed.”Xin Mei looked at the man with wide eyes, and before she could comprehend, she was sitting in civil affairs bureau with a marriage license in her hand.****Xin Mei woke up from coma after 3 weeks of long sleep. She faced a brutal reality like every other female lead; her boyfriend was cheating on her with her best friend. Feeling vengeful, she decided to have her revenge.It's payback time.“She snatched my boyfriend; I will snatch her career from her.”“He rejected me. No problem. I will find a more handsome man than him.”“His father made my father beg; now I will make him beg.”And who will help her? Su Yuchen!Su Yuchen believed that a person can fall in love only once and he had already fallen in it. His belief was broken badly when he met Xin Mei. After tasting a lot of vinegar, he could not wait for another second to make her his wife. He could not lose his second inning in love.

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.