Inside the Cave of Obscenity - Vol 5 Chapter 6: Dungeon

In her last life, Jiang Changning discovered that she was a fake daughter when the real daughter she had never met came to meet the family. Because of Jiang Luojin’s schemes, everyone’s treatment towards her in Hou’s mansion turned bad.

Mother Jiang: You are the one who caused my A Luo to suffer so much!

Brother: A Luo is your younger sister, what’s wrong with leaving the marriage to her? You owe her all this!

Fiance: The only one I love in my heart is A Luo, and it’s all because of your wishful thinking, Jiang Changning, you will never be a humble person!

The betrayed Jiang Changning died on the day Jiang Luo got married.

Once she woke up, she found that she was back in time when Jiang Luo came to

introduce herself. And she suddenly can hear the conversation between Jiang Luo and the “system”.

The other party has been robbing her luck through this system!

The only thing that can counterattack this is the Banquet King who saved her in her previous life!

So…

Banquet King: What are you doing? Stop hugging my thigh!!!

Jiang Changning: It’s just… very comfortable!

- Description from Novelupdates

Chi Lang transmigrated to the Middle Ages as a third-rate magician in a third-rate magic academy. His magical aptitude is zero. But he has a good roommate.

His roommate is good-looking.

His roommate is good-natured.

His roommate helped him escape from danger several times.

His roommate never complains.

Chi Lang felt like he liked his roommate a little bit, and then his roommate helped him solve his ‘single’ problem.

It wasn’t until much later that he realized that his roommate was a remarkable figure.

——He was one of the demons sealed by the magician known as the “God of Magic”… And Chi Lang became the one who unlocked the seal of the Demon Lord.

- Description from Novelupdates

A boy who lost his love for Formula racing after his father died on track, bringing calamity to his family. Left to care for his mother and sister, Luca does all he can to make ends meet. But it seems that every step he takes keeps pulling him back to the asphalt, and one sudden endeavor changes his life completely. [SYSTEM INITIALIZING......] [SYSTEM MERGING COMPLETE!] [Congratulations, you have attained the Formula 1 System] Luca rekindles his love for Formula racing as he strives to find his footing in this world. Rivalries and conspiracies may try to weigh him down, but Luca is determined to emerge victorious. [THE FORMULA 1 SYSTEM, A SYSTEM THAT WILL HELP HOST BECOME THE BEST RACER IN THE WORLD]

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.