Ryo works hard, juggling both her job and household chores. After landing her dream job in the fashion magazine industry, she married a client. Even after marriage, she continued to manage both work and housework. One sweltering summer day, she squeezed onto a packed train, drenched in sweat, enduring the journey to her company's nearest station. Her bra peeked through her blouse, revealing her underwear, and her sleeveless shirt exposed her defenseless armpit sweat. Unnoticed by Ryo, a lone pervert splashed his semen onto her clothes... .