Haruichi Azuma lost his parents in an accident and was left on his own. He was treated coldly and betrayed by the relatives who took him in. One day, an old friend of his father's invites him to his house to “take care of his daughter. However, what awaits him is Tsubaki, the second daughter of the Yaotome family, who is selfish and arrogant. He is fed up with this type of person, but like Haruichi, Tsubaki also has loneliness in her eyes.