Himitsu – Kuro no Chikai - Chapter 3, Part 1 – Turning Gears

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

Frida, a first-year medical student, has always been focused on academics, with no time for relationships or intimacy. Though her friends tease her for being a prude, they don’t know about the wild fantasies she keeps locked away, wondering if anyone would ever see her for who she truly is.Laziel her ex-best friend turned enemy, a tech genius and adrenaline-fueled F1 racer who’s every girl’s dream but her personal nightmare. Their shared past is full of unresolved tension and high school scandals she’d rather forget.When Frida starts receiving mysterious red sticky notes promising to bring her most forbidden fantasies to life, she’s intrigued and terrified. But as the anonymous promises heat up, her imagination betrays her, and the faceless lover in her fantasies starts to look a lot like Laz.What happens when desire crosses the line into obsession? And what if her enemy is the one person who knows exactly how to make her wildest dreams come true?

Awakening to a post-apocalyptic world infested with zombies and mutated monsters, Alex makes a startling discovery: he possesses a system that grants him access to unlimited resources every day.【Congratulations, you've received unlimited bottled water.】【Congratulations, you've received unlimited 9mm bullets.】【Congratulations, you've received unlimited cold medicine.】...With each system notification, Alex's chances of survival soar while others struggle to stay alive.As everyone else fights for their lives, Alex finds himself living in luxury, residing in a lavish mansion where he leisurely sips red wine and savors grilled delicacies amidst the chaos of the end times...