outline. Yui Hatano ( Japanese: 波多野 結衣/はたの ゆい, Hepburn: Hatano Yui, born May 24, 1988) is a Japanese AV idol, model, and idol singer. Boasting one of the longest and most prolific careers in Japanese pornography, Hatano has made appearances in over 3000 [2] adult films so far, thus making her one of the most popular and recognizable faces in AV.