User blog comment:Lyncstar/Fate/Requiem (Speculations/Theories)/@comment-32751919-20181218154258

The world that "Anyone can possess "Holy Grail" and summon Servants who guides one's fate.".

So, that what happen while magic and servant summoning goes public.

But anyway, a pink-haired girl is also servants as well or just Erice's friend or rival?