Taming my Monster Girl Harem from Scratch - Chapter 41 Brief Respite Underground

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

Through an array of coincidences, Alex comes to learn that making pills is one of the best ways to earn money in the game, 'Eternal Cultivation.'

Man summoned to another dimension- Check!Reincarnated as an elf- Check!A dwarf with a plan to go to the Mo- Wait, wut!?Simon Steelrun dreams of going to the Moon, to fulfill his mother's last wishes. Though he has the will and drive, he does not have the...necessary capabilities to go there. Though he tries his best to get there, he all but fails. Just as he was about to give up, a stranger came from a faraway land.A land called Earth...Joining him on this journey is a reincarnated elf, a warrior orc with a mysterious past, and a host of myriad other beings, as they tackle various challenges to create a rocket ship to take them to the Moon.Yet their journey is all but smooth...Hampered by a technologically backward world, a human-centric empire, monstrosities of inhuman proportions, and Goddesses with unknown agendas, they must navigate through these difficulties to reach their destination. Further wrenches are thrown in when the planet's dark history starts catching up to them, forcing them to take action on behalf of others.Secrets that should have been hidden...Join us in the adventures of a dwarf with a dream, as he navigates his way through his journey to reach his destination, all the while being dragged into adventures which changes the course of the world.“All I want to do is go to the Moooonnnnn!”

Qin Chen crossed into Taiyi Holy Land as a sweeper, and at the age of sixteen awakened the system. As long as he signed in at different places, he could get different rewards.

Sign in at the Land of Emperor Ruins and get the world’s No. 1 Chaos Holy Body and the Chaos Emperor Sutra!

Sign in to seal the magic land and get the quasi-emperor soldiers!

Sign in at the Refining Hall and get the God-level Refining Technique!

Sign in at the medicine garden and get the medicine of immortality!

Sign in at the Imperial Palace and get the Emperor-level forbidden magical power ‘Resurrection from the Dead’!

…

Qin Chen thought that he would just sign in silently until the world was invincible.

One day, the relics of the Great Emperor will appear in the Holy Land, all the holy places, families, and ancient dynasties have come, and there will be an unparalleled demon king in the relics, killing countless powerhouses, ruling the world, and wanting to destroy the Holy Land.

In desperation, Qin Chen could only walk out, slapped the Demon King to death, and sighed: “I just want to be a sweeper and sign in silently. Why do you force me to take action?”

- Description from novelbuddy