The hilarious misadventures of the "Sket Dan"; a couple of high-schoolers who help out people as part of their club activity. Himeko, the hot-headed ex-delinquent with a soft spot for cute things and a taste for strange food. Switch, the brainy otaku who only talks via a computerized speech-application. And Bossun, the atypical leader of this looney bunch, with the amazing power to... concentrate very hard!
