Sei Penalty Gakuen Goku

1. Sei Penalty Gakuen “Goku” (聖ペナルティ学園 "獄"); Comic Megastore 2008-07 The school Anzu is attending has a unique system: whoever breaks school regulations thrice is sent to the Punishment Room. There are separate rooms for girls and boys, but in either case, the punishment recieved is sexual in nature