Hajime is just like any normal guy who wants to fall in love, except that he collects charms from shrines all over the country with the hopes of becoming popular. The self-proclaimed goddess of marriage Urara suddenly appeared before him and told him that if he didn’t find his fated partner within a year, then he will remain a virgin for his entire life! His future had become very unstable because some of the charms which he had collected were actually real. Just like eating too many sweets would lead to a stomachache, his obsession with charms of marriage had resulted in the opposite effect.
He was eager to get a girlfriend and avoid a solitary life, but he didn’t want to put in much effort to do so. Fortunately for him, Urara showed him three girls who were potential partners and also taught him how to tell how close their fate is to him. It is similar to the idea of the red string, except it is displayed as a number instead, and the goal is to reduce the number to zero.
The prime minister’s daughter Nanami, popular idol Suzuna, and Japan’s greatest detective Yukari. All three of them have their own eccentricities. Thus begins his relationship with girls whom he had previously no ties with.