Revenge of the Sixth Young Lady - Chapter 303

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.

A young boy joins the temple as a knight to save his mother. During his journey full of miracles and tricks in the world where temples and demons are antagonistic to each other, will he be able to ascend to the strongest knight and inherit the sealed divine throne?

- Description from novelupdates

On a dark and windy night, he picked up a beautiful, charming, sexy and enchanting beauty, and his life was filled with ups and downs...

Crossing to One Piece world, he became Roger’s younger brother.

“Hey, hurry up and massacre those bandits!”