Associated Names:
Park Moo-Jik Got It
Don't Hate the Player
Park Moojik's Item
Park Mujik Got It
Пак Муджик сорвал джекпот
無職的性運大作戰
박무직님께서 득템하셨습니다

Summary:
Mujik is a lowly programmer at a video game company. He regularly gets chewed out by his boss and constantly works overtime. But one day a bug in the virtual reality game he plays makes all the female NPCs fall in love with him. What’s more, the game even rewards him with the ability to charm women…in real life?! Mujik’s office is full of hotties and now he’s gonna make the most of his leveled-up charisma. It’s his game he’s playing now, so let a player play…

https://omegascans.org/series/park-moojik-hit-the-jackpot

I recommend reading the manhwa on PC using Yomikiru, and on Android using Tachiyomi.