Saber of "Red" ("赤"のセイバー, "Aka" no Saber) is the Saber-class Servant of Kairi Sisigou as part of the Red Faction in the Great Holy Grail War of Fate/Apocrypha. The Servant is a new addition to the project as one of the two replacing Sakata Kintoki and Musashibo Benkei.
In Fate/Grand Order a special promo card was available for summoning during the FGO 2016 Summer Event in which she appeared as a Rider class.