One day, Saito received instructions to go on a business trip to Hong Kong. As a result, he began studying Cantonese at an adult language school. There, he met his attractive teacher Erika Nai from Hong Kong. Saito was deeply drawn to her beauty and big breasts. Eventually, he couldn't resist crossing the student-teacher boundary any longer. From that day forward, their love blossomed as they explored each other physically despite their language barrier. They found themselves incredibly compatible! Saito thought he would spend days filled with sexual happiness alongside his teacher... but fate had other plans. A crisis threatening to tear them apart emerged unexpectedly...

有一日，齋藤收到將要去香港出差的指示。因此，齋藤開始在成人語言學校，學習廣東話。在學校，結識了來自香港的絵麗奈老師。齋藤被絵麗奈的美貌、及大胸部深深吸引。終於，齋藤再也按捺不住、越過學生和老師的界線。從那天起，齋藤和絵麗奈老師的愛情得到濕潤而滋長 二人雖然言語不通，但身體契合度卻很高！齋藤以為從此和老師過著性福快樂的日子......豈料天意弄人，令二人分手的危機出現了......。