Ayumi is ticklish and hates being touched lightly; even just showering makes her nipples react sensitively. Her body heats up and lewd fantasies keep spreading in her mind. Sorry for being so dirty. Meanwhile, the other Arisa is writhing alone, unable to forget the memories of being tied up. Having been made to do such shameful things, and even dirtier ones, she's become wetter than ever—does that make her a pervert?