Who Designed This Underworld Dungeon? - Chapter 442 - 310: The Psychological Shadow Concerning Sain

“Shameless Xia Ping, not only did you steal my martial arts manual and medicinal pills, you even took my fiancée! We’re not finished!”

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!

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?
Content tags:
Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

Getting girls, is such a normal task, but it is almost impossible when you have to cope with being the weakest student in your academy. Ryan Whitemane was a youth with almost no chance of getting a girl until a strange book met him.

Now, with the help of a Succubus, Whitemane can easily understand a girl's feelings, what they want, and what they don't know they want yet. The more he loves, the stronger he is.

But every pact with a demon has it’s costs, right?

……………………………………………………………

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