While the main series attempts to balance action with its "Armed Virus" plot, the specials are almost entirely focused on character interactions and sexual fantasies.
They function as brief, often comedic, "slice-of-life" snapshots that disregard the larger conflict to focus on the intimate bonds between the girls. Review Summary Valkyrie Drive: Mermaid Specials (Dub)
Critics from Anime News Network argue that while the technical merits are strong, the material lacks any real substance beyond its fanservice. Others find the content uncomfortable due to the suggestive tone dominating the plot. Community Impressions While the main series attempts to balance action
Each special typically centers on a specific character's internal desires or private moments, such as Mamori’s dominant fantasies or Charlotte’s "past conquests" while in a bath. Valkyrie Drive: Mermaid Specials (Dub)