Secret Teacher Reveals a Special Mission and Love Energy Is the Only Weapon

Aoi-sensei, secretly the head of the international defense organization Cradle, approaches Wataru and declares his help is urgently needed without delay. A mysterious enemy called 4D is threatening everything and the only weapon capable of defeating them is energy generated through intimate activities. Wataru has no choice but to accept the strangest mission of his life and fight back with the power of love.