(潮の)流れがはやい The current is fast. (ここは)全部がすごい Everything this place is interesting. COME ON 関門! COME ON! Kanmon Strait! (Kitakyushu City & Shimonoseki City.) Kanmon Strait is the sea between Kitakyushu City (Moji Ward) and Shimonoseki City in Japan. This sea is famous for its fast currents, and this commercial takes advantage of that fact. There are no big monsters here, but there are delicious fish and the scenery is great.