This is a FCS-only head mold. It was released in Japan on March 11, 2018. This headmold is Sato only. It had limited releases at Tenshi no Mado along with tan colored resin from June 18th through August 28th, 2022 and June 17th through August 27th, 2023.
Please click on the individual thumbnails to see the pictures full-sized.