Every day, after school, that's when the secret talk between girls start. The popular girl, Nanba Rinon, confides to the introvert Furutsuji about the abuse she suffers daily at the hands of her father... to indulge herself in the pleasure of self-pity.

While Furutsuji comforts Rinon with deep compassion, there is malice lurking behind that smile... She realizes Rinon's XX.

(Source: Kadokawa, translated)