Although many Yoga Tantras were introduced and spread around Japan, Anuttara Yoga Tantras, which specifically dealt with sexual intercourse, were only partially introduced.
ただし、日本には瑜伽タントラまでは多く伝わっているが、具体的に性交を論じた無上瑜伽タントラは部分的にしか伝わっていない。