found: Yuri!!! on ice, 2018:title frame (created and direced by Sayo Yamamoto)
found: Anime News Network, via WWW, October 26, 2022(Sayo Yamamoto, animator, television director; born April 13, 1977; Yamamoto Sayo = 山本 沙代 )
found: Wikipedia, via WWW, October 26, 2022(Sayo Yamamoto, Japanese anime director; born in Tokyo, Japan; graduated from the college of art and design in Tokyo; as a director has worked most in television series)
found: Wikidata, via WWW, October 26, 2022(Sayo Yamamoto, Japanese animator and animation director; name in kana, やまもと さよ)