Hello Hee Ju Kim,
I appreciate you taking the time to write to me regarding the website article on the sailboat in Japan.
Thank-you for helping me to understand the difference and history between the sea of japan and the east sea.
The sea that we are referring to in this story is actually the Inland Sea Of Japan, which to my knowledge is different from the Sea of Japan.
I have changed the title of the video and the article to reflect the concern however.
Thank-you for writing!
Bryce