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Aon is the lead male character of TO - Symbiotic Planet. <br /> <br /> Aon is working as a researcher from US-Euro Research Facility. He is working on some particular fungi in the planet which, based on the results of his research can become a new place for establishment of a major human colony.<br /> <br /> He has been secretly meeting Elena, a beautiful female interpreter from the United Eurasia Research Facility, a rival facility of his own, while doing his researches.<br /><br />