I'll just copy paste the "true" synopsis cause I'm not sure what is this about. One day, the most popular teacher in Akakura Gakuen, Aoi-sensei, approaches Wataru and informs him that his help is needed and he must remove his clothes immediately. She was a secret agent for the international defense organization Cuna and asks you to help in the battle against the enemy? 4 D ?. In order to defeat? 4D ?, must participate in ecchi activities to gain energy and defeat the enemy with the power of love.