Hika Ryoujoku: Wana ni Hamatta Futari 1

Shinichi’s hidden desires for his stepsister Megumi grow darker as he secretly steals her panties, consumed by lust and jealousy. When delinquents blackmail him into filming Megumi in compromising situations, Shinichi surrenders to their demands, each act escalating in depravity. Trapped in a web of obsession and coercion, he watches helplessly as Megumi becomes ensnared in their twisted fantasies, their forbidden relationship spiraling into ruthless exploitation and raw, relentless desire.