An alternate costume of [[Saber Alter]] in [[Fate/Grand Order]]. The qualifier is a shortened form of the full name, [b]Jet Black King of Knights ver. Shinjuku 1999[/b].

The costume consists of [[shorts]], [[knee boots]], [[black jacket]], black [[sleeveless shirt]], [[necklace]], and her hair tied on a [[low ponytail]] with a [[black ribbon]].

Officially made available on February 1st, 2020.

h4.See also

* [[Jeanne d'Arc Alter (ver. Shinjuku 1999) (Fate)]]
漆黒の騎士王ver新宿1999