The Little Sister Who Took Away the Happiness of Others Will Soon Lose Her Own Happiness.

In the Japanese web novel 'The Little Sister Who Took Away the Happiness of Others Will Soon Lose Her Own Happiness,' protagonist Sawa Tono narrates the story of her younger sister's controversial actions. The sister's romantic entanglements and betrayal of a childhood friend reveal a complex web of relationships and deceit. As the plot unfolds, the facade of happiness crumbles, shedding light on the darker aspects of human nature in a modern-day setting. With themes of drama and romance, this oneshot delves into the consequences of manipulation and betrayal by a female protagonist.