[Algolagnia (Mikoshiro Honnin)] Saint Margareta Gakuen Black Files Volume 1-5

A blonde‑haired schoolgirl with massive breasts is bound in restraints while a needle‑filled silicone device is forced onto her clitoris, causing intense pain. The narrative shows her desperate pleas and cruel torment as she is subjected to body modification and forced exposure within a school setting. The story builds tension through her helpless struggle and the cruel apparatus that ensures she cannot escape the agony.