The sea flows on endlessly. Amane Sazanami, who moved from Saitama to Uo Island in Okinawa, meets the local Okinawan, Hiyazo Sango, at the sea for the first time. The two have a fateful encounter and are now supposed to enjoy the sea together! ...But that's not quite happening?! With Amane fanning and Sango hitting, a fight breaks out between the two once again at the beach. Their relationship isn't great, but it's not bad either? This quirky duo brings you a marine comedy! From the inland region to Okinawa! This quirky duo brings you a marine comedy!