On a seemingly beautiful day, Mitsui was walking down the street when unfortunately it started to rain heavily, and she didn't have an umbrella, so her clothes got completely wet. Since the way back home was far, Mitsui decided to seek shelter at the house of the male artist she was modeling for temporarily. The female model rang the doorbell, and luckily someone was home. With her clothes all wet, and only the man in the house now as his wife had gone back to the countryside the day before, they both chatted happily, to the point where Mitsui forgot she was wet and the rain had stopped. Suddenly, as if struck by lightning, the two exchanged love for each other, through their eyes, precisely the desire within them. Mitsui took the initiative to kiss her male artist, and he reciprocated, slowly fulfilling the desire he always had for the model, without the chance to act on it due to his wife being at home...