I was alone in the office with a colleague who was younger than me, who could do my job better than me... On a night of sudden rainy guerilla rain, my rationality was blown away.

A male boss and female subordinate are left alone in the office due to a sudden downpour and unable to go home. The man, who has a better capacity than he, and is younger than him, is annoyed by her, who is in a position to work well at work, is aroused by her clothes getting wet in the rain and her underwear can be seen through, and rapes her violently. The female employee, who is losing by her strength, is gradually getting excited by her being fucked over and over again and being humiliated and made to cum. The two of them have an unusual relationship that keeps them fucking them all the way up until the morning.