Read manhwa Pay With Sperm Pay daily update. Last chapter: Chapter 59 latest in English translated! Jinwoo, a normal college student, found an app installed on his old-fashioned cell phone called ‘Sperm Pay’ which allows him to pay for anything by having sex. The more payments he makes, the higher his credit limit goes, and the more girls start to obsess over him… What is the limit of “Sperm Pay”? “Sir, we are waiting for your payment…”