Lucozaa's activites

"You thought I was an Omega?"In a world where pheromones sell at a high price, a civet cat...

Chapter 79.35 with the killua ripping out the heart ref but Chas doing it with the pink panties is hilarious

yandere/yandere-adjacent characters: numero tres! 
a mix of shoujo, platonic, and BL/GL content.
if you want more, check out part 1 & 2 of this list!
-pt 1: https://www.mangago.me/home/mangalist/1674723/
-pt 2: https://www.mangago.me/home/mangalist/1904522/

This is just a list of manhwa/manga which has main character/s who gained a second life in the modern world setup.

Main Characters: Reincarnated/Second Life
Settings: Modern Society

The list is in no particular order.
Feel free to suggest anything in the comment section.

From Lezhin:<br >After ending an on-again, off-again relationship of 10 years, Minsuk decides ...

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"Min-chan has to survive by hunting ghosts due to a curse he has suffered since childhood. One ...