In a world where the government assigns you a marriage partner once you turn sixteen, Yukari Nejima, a below average teen, confesses to his childhood crush Misaki Takasaki on the eve of his sixteenth birthday… only to find out that he has been assigned to Ririna Sanada instead. Would you rather choose the girl you have always loved, or the girl you met because you were told she was your partner? Which one is love? Which one is a lie? There is only one way to find out!