Prison School Episode 4: Take Me Out to the Sumoland
Episode 4 of 12 of Prison School, aired August 1, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
After committing a heinous offense against Mari, Gakuto receives a drastic punishment from Meiko. Kiyoshi and Gakuto work desperately to break Kiyoshi out of the prison by having him impersonate a girl.