紗(shā )奈(🛤)離(lí )職(zhí )後(hòu ),從東(🐮)京回到(dào )了沖(chòng )(📿)繩。她遇到許久不(bú )(🏇)見的後輩蒼(🖲)井(jǐng ),身為(wéi )(🔸)紗奈親弟(🗄)弟朋友(🕖)的他,竟向她告白。隔日,在(zài )海邊約會的兩人遇(yù )上了傾(qīng )盆(pén )大雨,在無人(rén )的海邊(🤷)享受瘋(⏺)狂的(🌙)兩人世界…(🥁)…