FTHT-339 If the underwear gets stained, you’re out immediately! Women participating as monitors for a certain lingerie manufacturer earn a reward if they can endure relentless pressure in an M-shaped position!!! How many will be able to last!? [Streaming Exclusive Vol. 2]

Women who applied for a monitoring campaign that promised they would simply wear a new product from a certain underwear manufacturer. The test itself was straightforward: wear the new item, which was said to never show any stains, and prove its effectiveness. However, even the underwear that was claimed to stay completely dry ended up showing marks. Furious that the situation could become negative publicity, the men from the manufacturer decided to provide compensation in exchange for a special favor. Will any of the women manage to receive the reward safely? [Streaming Exclusive Vol. 2]