After successfully closing a business deal during a trip to Fukuoka, a sudden drinking party unfolds in a private room with only the boss and his female junior colleague present. The usually arrogant young woman finds herself unable to resist her superior's advances. With only shared rooms available, the confined space intensifies the boss's uncontrollable desire. She undergoes a transformation into a sensual woman, surrendering her body completely and forgetting the bold attitude she displayed at work. One round, two, three—seven consecutive rounds of insatiable, relentless sex throughout the night. Tossed around by her boss's overwhelming lust, she is brought to climax repeatedly in an intense, non-stop sexual encounter. Witness the moment she succumbs to her superior's seduction!