"Stepmother's Underwear HD. In any era, technological progress comes from eroticism." I'm a shut-in NEET living with my father's new wife, and recently I've been obsessed with a "certain insidious act" that I've been repeating on a daily basis. It's a perverted act for experts that involves "secretly borrowing my chaste stepmother's panties from the washing machine, staring intently at the stains and texture of the embarrassing crotch area in high definition, and comparing them with my stepmother's appearance going about her daily life."