For deeper dives into the series' lore, the High School DxD Wiki provides detailed breakdowns of every episode and special.

The episode follows the Occult Research Club as they take a break from their supernatural duties for a beach outing. The focus is largely on comedic fanservice:

This special is the first of six total specials released for the BorN season. Others include: Private magic lessons with Akeno.

The first special episode of High School DxD BorN (the third season) is a short, humorous "bonus" installment titled or simply "Special 1." Bundled with the first DVD and Blu-ray volumes, these specials are independent of the main plot and typically last about 3 to 5 minutes. Plot Synopsis