Sweltering midsummer days. His brother-in-law, Tsurugi, is shunned by his family because his job hunting is not going well. One day when he was accumulating his pent up, he witnessed his younger brother and his wife's friendship. Lust for his sister-in-law, a young wife, Serina, gradually increases, and finally commits Serina. Serina's shiny skin is raped by sweat and body fluids and shines obscenely. Serina's reaction to Tsurugi's decision to leave her home is...
