Sentou Hakai Gakuen Dangerous

 (戦闘破壊学園ダンゲロス, Battle Destruction School Dangerous) is a Japanese manga series written by Kyousuke Kagami and illustrated by Takuma Yokota. It was serialized by Kodansha from December 2011 to April 2015. It was followed by a prequel, Dangerous 1969, in March 2018.