My Unconventional Lover: Seeing A Different World - Chapter 15

As a reward for preventing the assassination of the current king, Rou Coral is rewarded with becoming and escort of the Royal Princess Reaina who the boy adores so much. Thus begins his new life of servitude under his beloved high-headed Princess full of happenings and happy little accidents. Surrounded with Busty Head Maid, young Loli Princess and a Childhood Friend Maid, for the boy knight today is yet another day of struggle in this womanly paradise!!

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

A man reborn, more interested in his next meal than clan politics, finds himself caught in a power play that could reshape Konoha.Uchiha Masashi has seen it all before - literally. With memories of his past lives and abilities that shouldn't be possible, he'd rather perfect his combat skills than deal with clan drama.But when the newly appointed Fourth Hokage shows up with a proposal to unleash the Uchiha's power beyond their traditional police role, even Masashi has to pay attention. The clan sees opportunity. The village sees profit. Masashi sees the threads of fate that once led to his clan's destruction starting to weave again.As the Uchiha rush to prove themselves “ten times better than the Hyūga,” Masashi walks a fine line between duty and survival.He knows too much - about the Nine-Tails incident that could destroy his clan's reputation, about young Shisui's tragic destiny, about the wheels already in motion.The question is: will he bother trying to change any of it?After all, in a world where even the strongest must sometimes bend to fate, sometimes the smartest move is to grab some dango and watch it all unfold.

Blue Star has entered the extraordinary era, everything is evolving, and monsters are rampant.

Humans awaken their star souls in evolution to fight against raging monsters.

Zhou Xuan, who was doing odd jobs in the Demon Town Tower, accidentally awakened to an unscientific sign-in system.

Sign in on the ancient desolate beast and gain the power of the wild. Sign in on the weed spirit, and the star soul evolves into the nine-leaf sword grass.

The thousand-year black turtle, the ten thousand-year sea king, the immortal true phoenix, and the sky-swallowing dragon have all become the targets of his registration.

There are countless monsters in the Demon Suppressing Tower, Zhou Xuan signed in silently, and if he was not careful, he would be invincible.

- Description from novelbuddy