The Shinno family has been running red-light districts in Yoshiwara and Shinagawa since the Edo period. Currently, it is a major soap industry operator operating more than a dozen chains. However, due to the recent AIDS scandal and the offensive of the diversifying sex industry, business performance has been depressed. The head of the Shinno family orders his successor, Kazuma, to undergo SEX warrior training in order to take over the family business, and to inspect the state of the SEX industry all over the country! First, Kazuma engages in a battle with the Atami geisha Machiyo, and after defeating him, sets out on a journey in search of the next place to train as a warrior... "Part 1 Fur Seal Corps Gathered Volume" (Atami Geisha) (Brush Wholesale) (One Earthworm) (Tsuji Shigoki) (Hand Haccho / Foot Haccho) Below "Part 2 Fur Seal Happy One-shot Volume" (Sex Ninpo / Book of Five Lewds) (Valley Crossing of Tongue Birds) (Special Spot) "Part 3 Fur Seal Birth Volume!" ) is recorded.