F/GO Servants to complete Koikatsu collection

Seen but Unreleased:
Kato Danzo
Lakshmibai - https://www.pixiv.net/en/artworks/75422752

Never Seen:
Brynhildr
Parvati
Europa
Nitocris (Assassin) (exist but are terrible, would like a quality one somehow)
Yu Miaoyi
Salome
Astraea
Gorgon
Space Ishtar
Great Statue God
Sitonai
Kingprotea

And for the femboys, I also know these exist but I don't have them yet.:
Saber Astolfo