This one is for the measuring challenged people since it is so easy.  Kind of like Okinawan shoyu pork but SO much easier.  Put a chunk or chunks of pork butt in a slow cooker, add one can of tomato sauce.  Use the can as your measuring tool.  Add one can worth of sugar, then shoyu, then sake (wow!).  Toss in a couple pieces of crushed fresh ginger root.  Cook until soft and serve hot or warm with rice, yum…