Marvel: Rise of the Ultimate AI - Chapter 2: Infiltrate the Investigation Bureau

I finally managed to kill the demon lord.

[Ancient Setting + Light-hearted Comedy + Strong Female Lead + Coming-of-Age Heroine + Ensemble Cast + Political Intrigue + Patriotic Themes]Chu Tianjiao is the eldest daughter of a prestigious military family. In her previous life, she devoted herself to fighting for her country, but after death her soul was trapped in the imperial ancestral temple, unable to be reincarnated.She spends her days chatting, joking around, and enjoying a sort of posthumous glory with a group of royal ancestors.Once a novice at palace intrigue, she learns many things from these imperial forebears. Some teach her poetry and rhythm, others force her to memorize medical texts daily, while the rest regale her with stories from which she gleans the arts of political maneuvering and maintaining balance of power.The heroine grows stronger with each passing day.One day, a fire breaks out in the ancestral temple. The heroine leads the group of ancestors back to the present era.These ancestors were all emperors and empresses in their past lives. Their change in status after being reborn leads to all sorts of comedic situations.But your ancestors are still your ancestors, after all.Each possessing unique skills, they help the heroine crush her enemies and slap faces, vowing to change the fate of national ruin and family destruction from their previous lives.The heroine gradually sheds her rash personality from her past life, embarking on an unstoppable path of dominating the world.

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.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- Description from Novelupdates