City of Sin (Yanyu Jiangnan) - Vol 9 Chapter 140

In the waves of steam and machinery, who could achieve extraordinary? In the fogs of history and darkness, who was whispering? I woke up from the realm of mysteries and opened my eyes to the world.

Shi Qing’s task was to be a protector.

Behind the successful man, there was often such an ex-girlfriend. She was beautiful and nice, but favored the rich and disdained the poor. She abandoned him in the most difficult period of the man’s career, left him with a huge psychological shadow so that he no longer believed in love.

In the novel, such an ex-girlfriend usually may not get a good ending, used to set off as the true mistress of the cannon fodder. Unfortunately, Ren Qiao transmigrated into the book and become the ex-girlfriend who dumped the male lead, but the male lead still went against the counterattack…..

- Description from Novelupdates

Cho Ryu Hyang was good at math from a young age. When he enrolled into the The Theoretical Maths and Martial Arts School, the teacher, Jo Gi Chun, recognized Cho Ryu Hyang’s talent immediately and took him in.