I Have the Alchemy Emperor in My Head - Chapter 2536 - : Emperor Magus Is Stabbed to Death

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

Roland was just a normal college student living peacefully in an H-Grade City when he experienced his very first devastating heartbreak.

He found out that his girlfriend of two years was cheating on him with the City Councilor’s son, she even embarrassed him in front of a lot of people.

When Roland was already completely devastated and was already at his wits end, a virtual screen suddenly appeared in front of his eyes.

[Requirements: Experience a devastating heartbreak(Completed)]

[System bound!]

[Congratulations for unlocking the Face-Slapping System!]

Since then, Roland’s life has taken a complete turn.

A short, happy, and heart-warming story about the daily lives of a modern-day married couple.

Cao Xin, a young man on earth, died in a car accident, traveled to a troubled world where supplies were scarce, and obtained a “Bronze Immortal Gate”…

…

- Description from novelbuddy