For 10 points, name this deity who was given a heavenly jewel, sword, and mirror in order to restore order to Japan, the grandson of Amaterasu.
This god's daughter-in-law turned into a dragon after giving birth to his grandchildren. This god's sons were a fisherman and a hunter, and once exchanged their instruments, leading to one of them marrying a sea princess after losing a fishhook. Those children, Hoori and Hoderi, were born after this figure's wife trapped herself in a burning hut to prove her loyalty. His attendants included Koyane and Futodama, who gave birth to a line of priests, and this god rejected Ihanaga the rock deity as a wife, instead selecting the goddess of flowers Ko-no-hana, leading to humanity having short lifespans. He was accompanied by 8 million deities during his quest, and during his 300,000 year reign supposedly spent time arranging happy marriages for his subordinates. His sister descended to earth topless ? in order to distract Sarutahiko, and who also danced in order to get a another deity to come out of her cave, Uzume. For 10 points, name this deity who was given a heavenly jewel, sword, and mirror in order to restore order to Japan, the grandson of Amaterasu.
This god's daughter-in-law turned into a dragon after giving birth to his grandchildren.
{Ninigi}-no-mikoto