Waterfall has been married for three years and felt distant from her husband, who was also working. One day, she went on a business trip with her subordinate Akiyama, but due to his mistake, there were only two rooms available at the hotel. Reluctantly agreeing to share a room, they settled down for the night. After getting drunk, Waterfall teased Akiyama, unknowingly arousing him. He proceeded to give her multiple creampies throughout the night until morning.

潤は夫と結婚して3年がたち、共働きの夫との間に距離を感じていた。ある日、部下の相澤と2人で出張に行く事になり商談を済ませるが、相澤の手違いでホテルが一部屋のみしか予約できていなかった。生憎ホテルの部屋は満室で渋々相部屋を了承する潤。深夜酔った勢いで相澤を挑発してしまった潤は興奮した相澤に朝までチ〇ポをハメっぱなしで何度も中出しされ続けるのだった。