MTL - Unemployed at the Beginning, I Let the Singer Come Back - Chapter 2 demon king

Raised to be the perfect soldier for battle, Alexander had risen to be the youngest S rank Merc. After attaining the strength he so desired, his adoptive father had forcefully made him leave the battlefield. Alex unwilling to acknowledge his retirement was given a mission by his adoptive father. "The mission objective is to find a girl in the public High School you'll be attending and protect her."Triggered by the words mission objective, Alexander who had a 100% completion rate, accepted the conditions of the mission. Follow Alexander in his weird, almost comedic high school life.Alex's father: Hey Alex, did you get to school properly?Alex: Affirmative, I reached the designated place on time.Alex's father:So why did you call?Alex: The target I have picked is situated in classroom 1-B, while I'm in classroom 1-A. Asking permission to threaten the Principal into placing me in classroom 1-BAlex's father: DENIED!...

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!

- Description from novelupdates

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates