© The Mainichi A sushi platter is seen at the sushi restaurant Matsunozushi in Tokyo’s Shinagawa Ward on Sept. 7, 2020. (Mainichi/Emi Naito) TOKYO — “When autumn strategies, mackerel results in being prosperous in fats. Salmon start to lay eggs, so ikura (salmon roe) during this time is tasty. Bluefin […]