MTL - The World Online - v2 Chapter 142 Battle of Elk (16)

In the fantasy world ruled by Matriarchy, Kael of the Ancient Moonstone House, was working as a guild receptionist. Throughout his life, he was protected by his mother and later, younger sister, who was considered one of the highest potential individuals in the Queendom of Elyria. One day, he hears that his sister has gone missing and his family has accumulated debts of over 127 million gold coins to the Bank. The Queen comes to his rescue, paying off his debts and in exchange, he has to marry her five daughters, who each excel in a domain of their own.Having the five imperial princesses and the Queen herself as the backing, Kael has become one of the most protected individuals in the Queendom. Little did his wives know that Kael had another identity. He is the most dreaded yet noble Assassin of the imperial city, “K,” one who hunts down the criminals who escape punishment either because of insufficient evidence or using their connections.Follow Kael's journey, as he navigates his life as the protected figure in the light and protector of justice in the shadows.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

[CAUTION][+18 MATURE NOVEL][STRONG SEXUAL CONTENT]Leonardo is bullied by everyone in his class, boys and girls alike.Everyone knows he’s obsessed with MILFs, and they torment him for it.No one lifts a finger to help him.One day, a message appears:[Congratulations, Leonardo, you’ve been selected to participate in a System.]What?[You have 1 minute to make a decision regarding the NTR Demon System.][Your participation depends on your approval.][If you accept, you will gain special abilities to subdue your enemies and humiliate them publicly.][Your life will never be the same.]Leonardo accepts and embarks on a revenge journey fueled by NTR.Now that he has the System, none of those who made him suffer will be left untouched.

Originally born from a wealthy family, she ends up leading a vagrant life for fifteen years. However, when she is eventually found by her family, she falls into another devious plot and eventually dies tragically.