Orochimama - Chapter 18

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

In this world, only if you are strong, can you protect the people you love.

When Lin Chu met the ridiculously rich and affluent Yan Beicheng, she did not expect him to act like an immature hooligan, shameless in every way whenever they bumped into each other. Yet, every encounter had him come to her rescue, from saving her from the humiliation of watching her ex-boyfriend marrying her adopted sister, to whisking her away from petty colleagues and lecherous clients.Whether this is true kindness remains to be seen, as he never forgets to take advantage of her whenever he can. Is there something between them or is he just having fun with her?

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.