People Found Out About The Base I Built On the Moon - Chapter 5: Can’t Be Exposed No Matter What!

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

The ancient empire was on its last legs, the nascent federation echoed with the roar of steam, slumbering gods gradually awoke, and colossal beasts that vanished in the primordial era were slowly emerging.When Laine arrived in another world, a magical profession panel awakened within him as well.Laine believed that if a person's life could keep growing stronger, one day they would certainly be able to control their own destiny and stand shoulder to shoulder with the gods!

“Who knew the key to surviving a deadly island was... well, charm? Guess I’ve got a superpower after all.” – Lucas Carter.When a school field trip takes a disastrous turn, Lucas Carter and his classmates find themselves stranded on a remote, uncharted island. With no rescue in sight and the wilds teeming with danger, survival becomes a brutal challenge. But when Lucas awakens the Harem Survival System, everything changes.The system is as bizarre as it is powerful: for every woman Lucas seduces, he gains extraordinary survival skills and critical resources.From hunting and crafting to strategic foresight, each intimate connection gives him the tools to outwit the island’s many threats.As Lucas grows stronger and more capable, the dynamics among his classmates shift.Friendships turn into alliances, jealousy brews in the shadows, and the boundaries between survival and desire blur.Meanwhile, the island itself hides secrets far more dangerous than its untamed wilderness.

Leon transmigrated and became a lab rat for Hydra. But he ended up awakening the sign-in system.[Ding, sign-in reward: Glint-Glint Fruit(Pika Pika no Mi).]He starts by destroying the Hydra Base.He accumulated some time and got himself another reward![Ding! Get the sign-in reward: Sun Breathing Technique.]