MTL - Hail the King - ~ 1169, the torn continent

Knox is an omega – poor, orphaned, weak, and bullied. He was the unluckiest human being alive – according to his own.Burdened by debt, he has no choice but to stop school and work to pay off his loans all the while hiding the truth and pretending as a beta to save himself from harassment. He accepted all legal jobs he could get to make ends meet.Including a contractual relationship with an alpha who’s suffering from a pheromone disability. He gets paid – enough to free him from all of his debts. All he has to do is help the alpha stabilize his pheromone…not until that night happens…The contract was breached. Knox has to pay the price. Afraid of his circumstances, he ran away.Years later, Knox became a capable man. He has a nice job and a kind boss. When his boss got invited to an engagement party, as his secretary, Knox had to come with him. However, he was shocked to find out that the man to be engaged was none other than the spitting image of his son!How will Knox keep the truth from him, when after their eyes met at the party, the alpha had already marked him as his property, claiming him as the payment of the contract he breached?Will Knox hide and run away again? Or will he choose to pay off the debt to be free? Will he be able to push away the alpha whose vices are hidden behind his attractive mask or will Knox abandon his virtues and embrace the dangerous father of his son?

Never should be exposed, just the two of them in their youth.「I’ll be making your meals from now on, Sensei.」I, Reiyu Tenjō, am a high school teacher.When I shared some food with my neighbor, it turned out to be my student, Yuunagi Nishiki. If this fact is discovered, I might be fired from the school?That’s why we signed a 『Neighbor Agreement』 in order to keep our secret.Since we both live alone, the plan was to help each other out when one of us was in trouble——but somehow, I got won over by his cooking.Instead of helping him, I find myself increasingly spoiled and dependent that I can’t live without him anymore.‘No, Reiyu Tenjō. He’s your student, someone you are not supposed to fall in love with!’Drawing closer and then apart——their love sways ambiguously like waves.A youth romantic comedy filled with secrets between a teacher and student begins here.

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates