There Is A Huge Problem With My Achievement System - Chapter 819 - : Serious Dual Cultivation of Martial Arts

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

She lost her voice, her child, and her dignity... but now she’s back—with a voice the world can’t ignore.Four years ago, Cecilia Morrison was left bleeding and betrayed after giving birth to a child labeled a “bastard” by her fiancé and family. Mute, humiliated, and abandoned, she vanished with one child and a shattered heart.Now, she returns to Star City, no longer the fragile girl they discarded, but a graceful woman with fire in her veins and her sweet daughter by her side. Her mission is clear: to find the son who was stolen from her.Steven Lawrence, the city’s most powerful man, has been relentlessly searching for the elusive world-famous singer, Raine. He also happens to be the father of a boy who looks exactly like Cecilia's daughter.When the twins finally come face to face, buried secrets begin to surface, and enemies from the past scramble to cover their tracks before Cecilia and Steven expose the truth together.Will she finally reunite with her missing child?What is the real connection between her and Steven?And when the world discovers her hidden identity, what will it bring?

This novel is also known as Transcendental Mechanic

What do you do when you wake up and find yourself inside the very game that you love?

What do you do when you realize you that you have not only become an NPC – you have even been thrown back in time to before the game even launched!

What will happen when our protagonist’s two realities coincide?

Han Xiao was a professional power leveler before his transmigration. Using his past life’s knowledge, Han Xiao sweeps through the universe as he prepares for the arrival of the players. This is definitely not your typical transmigration novel.

- Description from novelupdates

After losing his parents to the apocalypse, Silas only wished for one thing. To awaken a powerful mutant ability and purge the earth of any iniquities. However, his dream was shattered when he failed to awaken any mutant ability on the day of the awakening. He was bullied by his peers. However, when all hopes were lost, Silas awakens a system. [Silas Griswold has met all requirements to become a host] [System binding... ] [To complete binding host needs to complete three quests] [Congratulations, you have completed all quests ] [System binded successfully] [Your evolution will now begin!]