君の影に隠れゆく

When the man's family went bankrupt, the woman sacrificed her treatment to secure an investment for him. Knowing she had a fatal illness, she left him. Seven years later, they met again. He discovered their son, but she claimed the child was another man's. He believed an impostor who took credit for her sacrifice, and their misunderstandings grew until the truth was revealed, leaving him filled with immense regret.