[Original: Mahiro Ho. A live-action adaptation of a popular harem work that has sold over 100,000 copies in the series! Human sweat and body fluids contain pheromones... Neither men nor women can resist the smell of the seniors they met in the summer library. - A nasty world that is lured by the smell and entangled and captured. With a senior, a childhood friend, and a sister-in-law ... Summer memories of four people who drip sweat, sperm, and love juice, and devour each other like crazy with big and big buttocks.