You can go almost everywhere with JR trains, then Japan Rail Pass is great for visiting various cities. It only costs 80,00JPY and valid 2 weeks https://japanrailpass.net/en/
we're in suburb of Tokyo; for ramen Tenka-ippin is must visit, steak style beef cutlets in Motomura is my favorite, Kura-sushi for most advanced conveyor belt sushi technology
M7.6 quake at Noto, northwest coast of Japan, tsunami was also occured. Region where I was born dameged critically. Cousin and relatives were OK, Grandma lives near coast evacuated to safe place. Me in Tokyo is safe too, but it's worst year beginning.