A Hentai System in the World of Danmachi - Chapter 264 - 263 - Family and Friends.

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

After Stargaze Family executed his family, Noel Ardagan embarked on his journey, restoring his family name with the help of a System.

"What? How the heck did she get it before me? The system told me that I'm the only one who knows about it!" Noel Ardagan cursed in anger, "That conniving murdering woman!"

"At this point in time, only I should be aware about this tomb. But how did he find out about it?" Anna Stargaze, even after her reincarnation, couldn’t comprehend Noel's actions.

The clash between of a person holding a system and a reincarnator who knows everything in the future is about to start.

Jiang Nian used to be an actress. One day, she died and became a quester for the Lord God. Her task is to collect aura of a female lead and prevent each world from collapsing.

It’s just that every time there is a lot of twists and turns, however, the most troublesome thing for Jiang Nian is that once the female aura rises to 60, it won’t rise anymore! What will Jiang Nian have to do to get a breakthrough?

- Description from Novelupdates

“Jiang Yu transmigrates into a novel and becomes a side character in the book.