Zdeno Mirga, 18, who was described by one victim as the "boss", was convicted of eight counts of rape and one count of inciting child prostitution.
In police interviews, an excerpt from which is above, Mirga had told police that he was a virgin.
He said that his Christian beliefs would prevent him from having sex before marriage.
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Mostly dry overnight in the east, strong winds and showery rain affecting Scotland & Northern Ireland