SKET Dance Episode 3: The Legendary Onihime
Episode 3 of 77 of SKET Dance, aired April 21, 2011, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Himeko was once a delinquent feared far and wide, the legendary yankee Onihime. She's totally reformed now, but starts to hear odd rumors that "the Onihime has started going on a rampage again.