คำเปรย
In the Hawaiian islands, one of the world's foremost tourist attractions, a Foreigner's reaction was detected.
Furthermore, there's an abnormal phenomenon where Servants continue to vanish from Chaldea!?
Treating the situation seriously, several Servants escorted the Master to the location, but...?
With this dream-like tropical summer paradise as the stage, an unprecedented battle arises. This is a summer festival of Servants, by Servants, for Servants.
The [Servant Summer Festival!] now begins!