MTL - My Darling Sick Beauty - Chapter 15

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy

After being expelled, the ace soldier Chen Feng returns to the city and inexplicably becomes the fiancé of a cold and aloof campus belle.His life as an extraordinary figure begins by stepping on arrogant second-generation heirs and embracing the goddess campus belle.

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.

How did he meet such a bandit-like man? He drags you away the second he sees you! And yet, the only thing he can do is try his best to set the boundaries between them.

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“Don’t you ever try to leave and reason things out. It’s futile. Yelling is also useless. This lao zi has already fallen for you and I shall make you mine.”

***

“Be obedient and wait for me at home, so I can pamper you till the day I die.”

***

“Running away? What about it?

You dare to run away again and this lao zi will spend his lifetime seeing you try.”

- Description from Novelupdates