Yeoheonteoreul Ttameogeumyeon Juingongi Ganghaejim

Tae-Gyeong is reborn into a world where women are dominant and male hunters are rare. After awakening as a Lust Manager of Female Hunters, he discovers an outrageous way to grow stronger. He has to satisfy frustrated female hunters and earn points from sex.
"Fine. I'll be a manwhore if that's what it takes... I'll fuck them all!"
(Source: DAYcomics, edited)