This is a cross-post from FurAffinity.
The original is here: https://www.furaffinity.net/view/27087557
Oh look more stuff that's been laying around since months.
The thing with the submarine is supposed to be driving into a deep sea monster, if I recall correctly.
The blue lines are by hierrotatsu, green lines by WatchOutForDragons, black lines by askmeaboutloom.