Misaki defied everyone's objections to marry Koji, a man with a child from a previous relationship. Though she briefly found happiness, everything changed abruptly with Koji's sudden death. After the funeral, his son Yuta was supposed to return to his biological mother, but his unexpected words shook Misaki deeply. "Can't I... take Father's place?" Yuta asked. Something about his words felt hidden, suspicious even, but Misaki hadn't yet realized their true meaning.