After experiencing a dick penetrating her for the first time in 10 years, part-time housewife and erotic manga artist Honoka awakens to her first-ever act of infidelity. Her sexual desire is boiling over and overflowing. Under the plausible pretext that "to use as material for my erotic manga, I need to peek into a world even more extraordinary and abnormal than last time," she is depicted descending further into the swamp of pleasure.