MTL - Last Building on Earth - Chapter 15 confusion

I...AM...MOB CHARACTER!!!Sigh~My name is Samael, I was an office sla- I mean a worker who worked 9 to 5. It was a daily routine of monotony until one fateful day when I went home only to find my best friend with my girlfriend. Betrayal was the first thing I felt, followed by rage.And after taking ‘care’ of them, My surroundings changed…Looking at my reflection in a mirror, I noticed my appearance had changed. Gone was the face of the disgruntled office worker; instead, “SAMAEL ASHWOOD!!!” a character from a novel I used to read. But this wasn't just any character; I had become him—the sacrificial best friend of the protagonist who was betrayed and died in just the first two chapters.PROTAGONIST DIED!?[Heavenly Destiny System Initializing...][...]

The 18-year-old Tong Yan has gotten married. The marriage partner looks mature and handsome, but also serious and stubborn. After living together, he felt that the other man was just seriously raising a child. At least before they got together, Tong Yan never thought he was capable of speaking such words as “I can’t sleep because I miss you so much”.

A fuming Tong Yan after pregnancy: Don’t tease me (╥╯ ^ ╰╥)

A Zhuo Xiang Ming asking for a good morning kiss while fixing his tie: People who constantly feel they’re being teased say they’re afraid to speak

- Description from Novelupdates

Su Li has never expected that those she met in her first life would follow her to a new life in a new family.

Everything in this life is new and seems easy, but she knows that’s not what she wants.

She wants a revenge. Those who have done terrible things to her, those who have separated her from her husband, and those who have let her brother fail the royal examination in last life, she will let them pay in her way.

But how can a 14-year-old girl, innocent and elegant, take a revenge? How can she fight against her family on her own? How can she deal with her weak-kneed father and heartless mother? Just read and find it out now!

- Description from Novelupdates

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.