My System: An Evolved Computer I Made With My Unique Ability— - Chapter 2 The Retro Computer

On the will left behind by the 14 year old suicide victim K:

“Taku Sugawara is the devil. Nobody should believe his words.”

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

This is the stories of two different people from two different worlds (literally)

She was raised in love, while he was raised in hate

Her birth was celebrated, while he was despised

She was protected, while he was abused everyday.

She is gentle, warm and kind, while he is cold, cruel and vicious

But with the twist of fate, their world collided. They will learn from each other.

He will teach her to be hopeful and live for herself, while she will teach him the joys of Friendship and Love

Together they will learn to understand each other, accept each other and love each other, and soon their love will change the fate of the world

Princess: Can you stop staring at me while I'm sleeping?

The Lord: I can't…

The Princess: Are you gonna stare at me the whole night?

The Lord: Yes!

The Princess: Can you at least act like a normal man who will take advantage of a maiden while in her room.

The Lord: …this Lord would oblige

The Princess: WAIT… This princess is kidding, just kidding, wait…!

Reborn into the Marvel world and become the son of the boss Jin Bing, what about the prince of the underground forces?

Don’t panic, the Black Shadow Corps provides the most loyal subordinates!

Twelve spells give you extraordinary power!

The eight demons will let you master the supernatural powers of overturning rivers and seas!

If you want to challenge, line up and come one by one!

- Description from novelbuddy