Water Magician

This is the story of Ryo who was reincarnated in the world of swords and magicIt is a story of the royal road to survive using the magic of water attributeWhat is magic What is swordsmanshipHow does it relate to the laws of physics that we knowOr what is politics What is a nationWhy are there many kingdoms in reincarnation stories Will republics not workCan it be written Since it is a waterbased magician so it shall start with Hydrogen bond