Aquarius is not a bad idea because of the association of water and ice, but since Sayaka is a knight of justice and she uses sword, Capricornus would have been, in my opinion, the better choice.
Aquarius is not a bad idea because of the association of water and ice, but since Sayaka is a knight of justice and she uses sword, Capricornus would have been, in my opinion, the better choice.