Toaru Majutsu no Index - Volume 21, Chapter 6: The True Darkness Unfolds. Up_the_Castle.

Chen Ye transmigrates over and unexpectedly became a figure in a dark Xianxia game.He is a mere Medicinal Farmer, yet he has two disciples, who will be two legendary Fairies.The first disciple, Lu Zhiwei, is the foremost Righteous Fairy in the world.The second disciple, Xu Qingjun, is an evil-doing demon path enchantress.However, looking at the two shivering little girls curled up into a ball, Chen Ye realizes that he transmigrates five hundred years earlier.And unfortunately, the former owner of the body seems a harsh master to them so that the tea served by Xu has been poisoned.“This tea...”“It's too bitter, I won't drink it.”

Sun Dasheng, a 35-year-old worker, has just been laid off. What adds insult to injury is that his wife decides to divorce him and goes after a rich man.Unemployment and divorce, the blows come one after another!When his life seems bleak and dark, he awakens a system, which allows him to return to his youth and roll in money.

A young boy genius, Suo Jia, is a water mage who dreams of being a warrior travelling the great and dangerous trade routes to find his lost father that set off on them before Suo Jia was born. Having to look after his sick mother, Suo Jia manages to find a way to solve all their problems, as well as make a name for himself. He gathers nobility, vast wealth, items of great power, knowledge lost to the ages, and exceptionally talented females around him as he plots and plans – preparing to set off on an epic journey that will go down in history as a new legend. However, will others that depend on his powers so much be willing to let him go on such a dangerous journey so easily?

- Description from Novelupdates

“These are my conditions. You have to agree upon them before we can get married.”“Accepted. Each one of them is accepted. Any more conditions, soon to be wife?”“Yes, I want your help to destroy my jerk of an ex-boyfriend.”A sly smile appeared on the lips of the men sitting opposite her.“With pleasure.” How could he let his competitor stay unharmed? He would be having his own fun in destroying the man who had made him taste vinegar a lots of times.“Something as?”Before she could even shake her head, he stood up from his seat and held her hand. “Let's go.”“Where are we going?”“Civil affairs bureau. Any time later and it will be closed.”Xin Mei looked at the man with wide eyes, and before she could comprehend, she was sitting in civil affairs bureau with a marriage license in her hand.****Xin Mei woke up from coma after 3 weeks of long sleep. She faced a brutal reality like every other female lead; her boyfriend was cheating on her with her best friend. Feeling vengeful, she decided to have her revenge.It's payback time.“She snatched my boyfriend; I will snatch her career from her.”“He rejected me. No problem. I will find a more handsome man than him.”“His father made my father beg; now I will make him beg.”And who will help her? Su Yuchen!Su Yuchen believed that a person can fall in love only once and he had already fallen in it. His belief was broken badly when he met Xin Mei. After tasting a lot of vinegar, he could not wait for another second to make her his wife. He could not lose his second inning in love.