A new office lady at an underwear manufacturer has her nipples developed into sensitive ones by her nipple fetish boss' relentless nibbling! Pinching, rolling, licking... A super close-up of her shy, huge nipples that have become such an erogenous zone that she secretly masturbates them every day! It's embarrassing, but it feels good... A sensitive office lady who climaxes over and over again just from her nipples. A detailed record of her becoming addicted to masturbating without even realizing it.