MTL - I’m Flirting with a Man in the Supernatural World - Chapter 77 transition

I made a game.

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.

“The world falls silent, and everything returns to ruins.”

Su Yu crossed over to the Water Blue Star, and again saw swarms of people crossing over to the Sea of Returning Ruins in order to survive, so he had two talents to begin with.

“SSS-grade insight talent”

Talent Description: Insight into all things. Spy on more hidden information.

“Unknown level talent double happiness”-Upgradable

Talent introduction: open treasure chests, and you can get double resources. Upgrade conditions are unknown.

Note: For special class treasure chests, you need to complete the treasure chest test to get double rewards.

It has been more than ten years since he was transported to another world. The protagonist Deris Fahrenheit, who has became a magician with special circumstances, was freely enjoying his life in this world. However, a girl appeared before him and asked him to make her his disciple. That girl seems to be a transported person――

It’s a story of him who becomes the girl’s teacher and trains her to achieve her revenge (?) in otherworld.