Falling Red - Part One of Pathos. The two childhood sweethearts were separated because of the heroine's secret of annihilation. The male protagonist waited agonizingly for the heroine who had a drastic change in personality and her smart and cunning sister. Could it be that this is where the two of them are destined to end? The hero and heroine thought they were calm and composed, but they still fell into the trap carefully designed by their sister. But no one knows her purpose...