An incredibly powerful dynamite body struts right in front of his eyes, leaving no hiding place undisclosed... In an extremely peculiar situation, Takeshi was bewildered. His mother-in-law, Ryouko, had rushed over to his house after he reached out to find his runaway wife, which was good, but Takeshi had no idea that Ryouko would be the type to lounge around almost completely naked after a bath. In front of him was an undeniably erotic, defenseless nudity that was far too sexy to call "mother." His wife was nowhere to be seen. An unexpected opportunity that greatly shook Takeshi's rationality had unexpectedly arrived...