There are few people who can't get used to Japanese food.
Moreover, most Japanese food comes from China, and it tastes relatively friendly.
If you want to experience it intuitively, you can watch Japanese dramas.
I recommend "The Food Detective King" starring Dongshan.
***Two parts, each episode introduces very delicious Japanese food.
The food is lively and fragrant, and most of it is for daily use. It is easy to eat and the price is not high.
It also introduces some common sense about eating and cooking.
More practical.
As for sushi, I personally think that roll sushi is better than nigiri sushi.