Bras, panties, garters, etc... Karen Yuzuriha, the designer at a high-end lingerie maker, can't rest until she personally tests out the new samples! The male employees become her prey during fittings. She relentlessly tests and fucks them, using the bras to trap them in a more intense pussy squeeze! The friction of the panties creates sexual stimulation, leading to intense thrusting! Even with creampies, the revolutionary lingerie remains spotless! With her big tits, beauty, and seductive aura, she devours men!