I need a small help

I search for a manga I read but can't find it in my library anymore .It's about a blond girl who works at a sorta game design company .She was so addicted to pleasure she even masturbated in the office bathroom often .She stayed at a residence with a dude whith whom later she makes a deal to become temporarily his girlfriend .And after,they do it literally everywhere ,in every way possible .If someone knows thus manhwa ,please tell me ^^