Do S na Seitokaichou-sama ga M Note ni Shihai Saremashita. – Episode 3 (EN)

Episode 3: ～ドMに張り合うご奉仕 do S～ / Competing M-Girls’ Service Battle

Shino reveals she was already turned into an M-slave long before Maina. A fierce rivalry erupts as both girls compete to be Sota’s favorite servant. The former Do-S Maina uses her voluptuous body with aggressive paizuri and intense cowgirl rides, while the cool, gentle Shino offers meticulous, caring blowjobs and devoted back shots. Their erotic service battle pushes Sota to the limit as the two beautiful M-girls try to outdo each other in pleasuring him.