Pickled ume fruits common in Japan. They are extremely sour and salty and are often served with rice or in onigiri.
Ume are a type of fruit sometimes called the Japanese or Chinese plum, but which are actually more closely related to the apricot.
This tag implicates fruit (learn more).
View wiki
Pixiv
Twitter
Bluesky
Weibo
Lofter
Tumblr
