I ate okonomiyaki "Kakioko" which used a lot of oysters at a stall in Hinase-cho, Okayama prefecture.
Gomi market
Map
https://goo.gl/maps/j39NUjDCvYaAqHAWA
日生町漁業協同組合公式HP
https://www.hinase.net/gominoiti/
Villa Stella
address
〒701-3204 岡山県備前市日生町日生641−3
Map
https://goo.gl/maps/SGUYpofypdE2EZaX9
HP
http://villastella.space/glamping.html