In a world facing critically low birth rates among certain races, the government enacts a computerized matching system designed solely to pair individuals for the purpose of having children. For one teacher, the unexpected assignment arrives in the form of his own student, the blonde elven princess Iris. Episode one follows their initial encounter with the arrangement and the quiet tension that arises as they navigate this sudden, official connection. The story centers on their first steps toward fulfilling the mandated role while confronting the personal implications of the pairing.