GVH-511 Top-tier office lady in the company's internal caste system experiments with extreme sex using aphrodisiacs Sumire Mizukawa

A flawless beauty named Sumire, possessing stunning looks and occupying the highest position in the company's caste system. A perpetual low-ranking employee, Sugura, gazes at her with envy... This man with a twisted personality accidentally discovers Sumire's weakness and hatches a plan. In reality, Sugura is an aphrodisiac enthusiast who uses Sumire as a test subject for various aphrodisiacs, making her orgasm repeatedly! Sumire's supreme physique and strong pride crumble under Sugura's aphrodisiac dick torture, causing her to arch backwards with rolled-back eyes and cum non-stop, ultimately begging for internal ejaculation! #班長P