"Mechanics" are craftsmen who develop and repair machines. One day, in the city where "mechanic" Rista lives, an incident occurs where robots go on the rampage. The runaway robots have been hijacked by someone via radio and turned into hentai robots that attack the women of the city! As the city mechanic, I will solve this case!" Rista fights bravely, but the hentai robots' tentacles give her an unknown pleasure.The slippery tentacles play with innocent Rista's whip-soft body. Go for it, Rista! Don't give up, Rista, even if you get naughty! The robot developed by the "mechanics" is hacked via radio and transformed into an "erotic" hentai robot. "Eccentric" Rista also melts at the hentai robot's "fantastic" sexual abilities, and she gets all wet and slippery!
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