Manga Love Parameter / 연애 파라미터

Young Hoon is a nerdy guy who always fails in love. He has problems understanding women's feelings, so he's always getting dumped by his girlfriends in less than a month. But after his glasses get broken one day, a mysterious man appears and gives him special glasses that will change his life! How? Well, the glasses have the power to see someone's personality stats and other embarrassing dirty details! Has Young Hoon's luck finally changed...?