Global Killing: Awakening SSS-level Talent at the Beginning - Chapter 1231:

When Han Kain woke up, he and several other people were inside a mysterious hotel with different rules and different expectations.Going into each hotel room threw them into other worlds and scenarios where they must brace death at times to escape or lift the curse of the individual rooms for a chance to bring everyone that died during the process back to life.Using their blessings that were given at the time of entry, they have to weave their way through the rooms while sometimes sacrificing themselves for a higher likelihood of success.* Very little horror; more of a thriller

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

A human from Earth is thrust into the [Hunter x Hunter] world, becoming the Zoldyck family’s defiant, red-eyed prodigy. They call me a genius and the rightful heir, but I say that’s Killua’s burden to bear.Armed with crimson eyes, and a subtle yet powerful system, I’ll rewrite destiny, upend the world, and embrace the chaos with a wicked grin.

Nikola Tesla, the genius, a man who lost everything to balant capitalism and betrayal, awakens to find himself reborn as an orphan. What is this world? Why is he here? And will he once again fall for the capitalistic betrayal or pave his own way? What would happen if his genius adapts to cunningness of the society?