In hell, the river pollution was as controversial as it was in the land of the living with its trash-ridden Sanzu River. There were particularly large number of items from coffins such as Rokumonsen (a ferriage fee for the crossing of Sanzu), eye glasses, wrist watches and the deceased's favorite items from their lifetime. The new Gokusotsu, Karauri and Nasubi were ordered to clean up the mess. Despite working diligently at first, Nasubi, who gets bored easily soon started to sing a song. Satan, the king of hell from EU decides to visit Japan to meet The Great King Enma. Although he starts off in a friendly manner by handing The Great King Enma presents, his true intention was to take over hell in Japan. Satan later went on a tour around hell guided by Hozuki, but was soon flabbergasted by the extreme cultural differences starting with the strange lifeforms and also insubordinate workers leaving their bosses to die. (thetvdb.com)