After the End of the World, Mr. Master, Please Don't Sprout.

Green Eclipse Era. The gears bite, steam spurts out, and magic surges. Tyr was born in the magical world of the steam age and felt that his future was bleak - strange birds with green leaves serving as flight feathers, giant beasts with roots sprouting from their claws, and giant walls that occasionally turned into giants that spread diseases. This world is not normal! When the fresh flesh and blood sprouts, the civilization's creation activates and rebels, and the green life grows abnormally and erodes crazily. After a carnival belonging to plants, there is only the endless green desert and the abnormal ecology rewoven by the steel steam oases, while the civilization of flesh and blood can only huddle under the protection of steel, waiting for the dawn in numbness. Tire will live on with flesh and blood and civilization until the end of one era after another...