The search has ended! Ludicrously decadant ramen can be found in Nagoya! (See the last shop on the page)
Whether it actually tastes good is another question.
But it's got everything. Steak instead of the standard sliced pork. Caviar. Four kinds of crab make up the soup base, along with the standard tonkotsu (pork bone). Laf. All in a standard-sized ramen bowl.