在一場爭奪水銀能源戰爭中 ，所有的太陽能機器人都被征召並改造成戰士，人類也被捲入這場戰爭的漩渦中。所有被征召的機器人，由於體內被吹進去的種子而停止運作。而後來發生的水銀大爆炸，世界被一層黑雲覆蓋並將世界帶進長眠狀態。經過漫長的一段時間，黑雲開始有了縫隙，縫隙中的陽光照射到機器人的集熱板上，曾經使機器人停止運作的種子開始發芽、成長...........
In the war of fighting for mercury, all solar energy robots are recruited and transformed into combat robots. Human race was drawn into the whirlpool of the big war as well. In the battle field, the recruited robots have stopped working when the seeds flew into their bodies. Then the explosion of the mercury occurred, the whole world was covered by dark clouds and all living beings were put to sleep. Finally after a very long time, the sun shined through the dark clouds.When the light projected on the solar panels of the robots, the seeds that stopped the robots started to sprout and grow.
