Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Japanese vovinam athlete
Yoshimi Sadamatsu (貞松慶美, Sadamatsu Yoshimi) is a Japanese vovinam athlete from Tokyo. She won a bronze medal in dragon-tiger form event at the 2016 Asian Beach Games held in Danang, Vietnam and became the first ever Japanese to win a medal at vovinam.
References
"日本選手団結果 10月1日". Vovinam Association (in Japanese). Retrieved 25 March 2022.