Aloha! Nice! I was just in Japan last week for a week. Stayed in Yokohama for a few days but didn't have time to visit the Shonan area. Good to see nice waves.
ここは前乗りの意識が無くてシェアウェーブが基本です ドロップイン何て言ってたら殺されます It is killed the drop-in that there is not consciousness of the previous riding, and a share wave is basic here if I say how Because I translate it, I am sorry to be incomprehensible
surfed in Japan from 1993-2017. One thing I know is the Japanese have zero respect and drop in all the time. Being from Hawaii that would get your face punched in but they just do it over, and over again. Surfing in Japan is a "fashion" not a passion for the beach or ocean. Aloha