Among other things Shinto had a good dollop of fertility ritual, and those traditions continue largely to the present day. There are shrines in that country with massive vagina or penis statues and there are annual phallic festivals. If your mommy will turn off the internet filter, google "genitalia in Japan shrines" or "Japan Phallus Festival" and behold the glories of a non-Judaeo-Christian-Islamic culture.
It is hard to imagine a country in which sexual mores are less compatible with Mormonism.