Apocalypse: I Have A Multiplier System - Chapter 360: Alchemist

Sophisticated and abstinent domineering CEO + world-class beauty + pure love + flash marriage + secret crush + marriage first, love later + sweet pamperingIn the third year of being with Isaac Sutton, Clara Sterling finally realized he had been pretending to be poor to manipulate her feelings.She thought he was such a poor student that he couldn't afford to eat.Yet he spent 300,000 casually on a bag for another woman.She heard Isaac Sutton say, “She's from a single-parent family and has been missing a father's love since childhood. I'm just doing it to amuse her. Could I really marry her home?”When her mother was diagnosed with stomach cancer, Clara Sterling asked Isaac Sutton for money, but he was still crying poor.She turned around and married the aloof and abstinent Crown Prince.Later, Isaac Sutton drank so much he got gastric bleeding, and called begging to reunite.Silas Sheffield’s voice was cold, “She's asleep. Whatever you have to say, say it to me.”Clara Sterling initially thought she and Silas Sheffield were just in a mutually beneficial agreement.Later, she discovered that Silas Sheffield had secretly loved her for many years.

Zhou Xu, who had just graduated from college, suddenly received a call from his father.

“My son, since you have grown up, there are some things that a father should tell you.”

Zhou Xu: “Dad, how do you speak in a succinct manner? Half white or not, what TV series are you watching?”

“My son, it’s a showdown for my father. For my father, you are a giant of the devil. You are the son of the devil.”

Zhou Xu: “…Dad, I’m hanging up, I’m busy.”

“Wait, there’s one last thing. Aren’t you too young? Your mother arranged a blind date for you. See you.”

Zhou Xu: “Who is it?”

“Like you, the devil goddess at the opposite door.”

- Description from novelbuddy

I, Zhang San, am absolutely a good person!I swear by the eight generations of my ancestors!What!? My ancestral grave just exploded!?

The protagonist, having degenerated into a “loser” after being unable to find employment, gets caught up in someone else’s attempt to commit suicide-by-train and ends up traveling to another world. The numerous cheat powers he demands from God are all granted to him. But contrary to expectations, these powers bring about disastrous consequences for the protagonist.

Having reincarnated into another world, the optimistic protagonist (Yuuri) starts his(her) heart-warming training days with his(her) teacher.