Ryo moves in with his uncle Kenichi, a real estate company president, while attending cram school in Tokyo. Kenichi's wife, Yumi, warmly watches over Ryo as he dedicates himself to his studies. Gradually, the two grow closer, eventually embarking on a forbidden relationship. Meanwhile, Yumi's affair with one of her husband's subordinates and mounting debts from the company's financial troubles further strain the household's fragile atmosphere. Amidst the chaos, the quiet yet undeniable love between Yumi and Ryo continues to deepen. Set in a world driven by money and desire, this story reveals the profound importance of human warmth and emotional connection.