Yukari Nejima is no different from lots of 15-year-old boys. He goes to high school. He's into archaeology. And like his classmates, he's worried about turning 16 because that's the age when he, like all 16-year-olds in the same country, will be notified of his government assigned marriage partner. But Yukari has a problem: he's already in love with his childhood friend, Misaki. He has a plan to confess his feelings, but even if Misaki returns them, Yukari will soon meet another girl. The girl whom, by law, he will marry...