Mizumori Akane has always been able to see the Red Strings of Fate. They weren't real--that's what everyone told her. After all, nobody else could see them. At least she thought nobody could, until she meets an enigmatic woman named Ai. Akane's quest to live the rest of her foreseeable days in the tranquility of her newly found friend group proves increasingly difficult as old and new acquaintances ingratiate themselves into her life.