[Nishikawa Kou] Imouto tte Taihen da yo ne Chinatsu Hen (Modaeru Imouto Sasou Ane)

A timid schoolgirl sister is caught in a heated, non‑consensual encounter with her brother, whose camera records every invasive moment. The tension escalates as she struggles against his relentless advances, her body trembling under his grip. The story culminates with the brother’s obsession promising more photos, sealing their forbidden bond.