In JJK With Naruto Powers - Chapter 66: Kazuma’s Choice

Luis Hartmann activated the mysterious Portal and began the journey of traveling between two worlds. In Immortal world, there are various immortal cultivators who can destroy mountains and live for thousands of years. In his own world, it is a Western fantasy realm where people can become knights or wizards, with different kinds of races. Luis, using the resources of both worlds, rises through the ranks. The life seed that knights awaken when becoming apprentice knights transforms into spiritual roots in the immortal world. With strategic wisdom, he helped his family become the eternal family, dominating both worlds. [Knight + Martial Arts + Immortal Cultivators + Family building]

This is a story about a legend, of one that can never be forgotten.
Summer, first time down the mountains in 16 years, after being raised by his 3 masters and Fairy sister.

‘Why won’t you follow the Rules of society?’ The rules are the tool made by the strong, so I follow my own rules.

‘Why won’t you just use your brain instead of your brawn?’ Idiot! Have you ever seen anyone use their brain, to get back at an ant that bites them!? No, they just casually step on it.

‘Oh, everyone says you’re a first-class beauty huh?’ well, I’m sorry but even you are not qualified to be my wife. Only a ‘Summer class beauty’ is worthy enough!

‘My enemy is sick?’ Oh, don’t worry, even if you’re on your last breath and I feel it’s beneath me to slap shot you dead. I’ll just fix you up and then beat you!

‘Who am I?’

“I am Summer in the spring, the autumn, and the winter, I’m the world’s first above the heavens!”

Follow me, Summer Day as I step by step become known as the world’s first master, the world’s first doctor, the world’s richest man…… a lot of other world’s number one, but most importantly, The worlds happiest man.

- Description from Novelupdates

Kain, a young teenager, accidentally lost in a Dungeon and awakened a special system. A system that allows him to continuously return to level 0, using his level to add and increase his skill points. From there, Kain began his journey to find the truth of this world, and when he took off that mask, what he saw was...

”Let me take a look.“ The handsome professor, with his broad shoulders and powerful muscles, lifted me effortlessly and placed me on the desk. His strong hands gently lowered the strap of my uniform to examine the bruise from training.”Helanie! Why do you always end up hurt?“ His voice grew husky, sending a shiver down my spine as I struggled to catch my breath.I had to remind myself that he’s my professor... and my stepbrother. I shouldn’t be seduced by his touch.”If anyone bullies you again, come to my office and I will deal with them,“ he murmured, his beautiful eyes locking onto mine.Despite knowing he’s forbidden, I couldn’t help but wonder—should I tell him about the mate bond I felt the night he was drunk?..When her parents rejected each other, Helanie went from being her daddy's angel to a neglected and forgotten child. But on her eighteenth birthday, things took a dark turn. When her body went into heat, she attracted a group of alphas. Instead of rescuing her, her secret alpha boyfriend ran away.That night changed Helanie’s life forever. Accused of consenting to the attack, she was sentenced to execution by her own pack. Desperate, she fled, determined to find her mother.What she didn’t expect was to find her mother preparing to marry a rogue king with four dangerously handsome and beastly sons.Things turn even darker when she felt a mate bond with her bully stepbrothers, will she be able to escape their claws or their seduction will ruin her life to next extremes?