OP Dragon Harem System

Edward is a loser at life, with an F-rank power, he's the weakest student of the school.
it seemed like he'd never get to become a hunter and live a rich, fulfilling life in a huge mansion and several women of his own, until he discovers the Dragon System.
follow Edward's story as he becomes stronger, climbs the tower, fights monsters, and adds women to his harem along the way.
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Warning: this is a quirky and silly and whacky and goofy story, don't take it too seriously, and just enjoy.
the story contains a lot of mature content, and is a hard-core harem with girls you can only dream about.
please refrain from reading if you're doing no-nut or have self-control problems.
the author won't be responsible for any damage done to your hands, testicles, or your little brother.