"Princess Connect! Re:Dive" is set in the fantasy world of Astraea, where the protagonist, Yuuki, awakens with no memory of his past. He is rescued by Kokkoro, a kind and resourceful elf who serves as his guide and protector. Kokkoro introduces Yuuki to the world of Astraea, where adventurers form guilds and undertake quests to explore the land and battle monsters. Yuuki soon encounters Pecorine, a cheerful and gluttonous warrior with immense strength, and Karyl, a cat-eared mage with a sharp tongue and a mysterious past. Together, they form the Gourmet Guild, embarking on adventures that blend lighthearted moments with deeper, underlying mysteries.

The narrative unfolds through episodic quests and character-driven arcs, gradually revealing the world's lore and the connections between its inhabitants. Pecorine, despite her carefree demeanor, harbors a secret tied to her royal lineage, while Karyl struggles with her loyalty to a shadowy organization known as the Seven Crowns. Kokkoro, though devoted to Yuuki, grapples with her own insecurities and the responsibilities of her role as his caretaker. As the Gourmet Guild grows closer, they uncover fragments of Yuuki's forgotten past, hinting at a larger conflict involving the Seven Crowns and the fate of Astraea itself.

The series balances comedic and slice-of-life elements with moments of tension and drama, exploring themes of friendship, identity, and the search for purpose. The characters' interactions drive much of the story, with their unique personalities and evolving relationships taking center stage. While the overarching plot remains somewhat enigmatic, the focus on character development and the gradual unraveling of the world's mysteries keeps the narrative engaging. The blend of adventure, humor, and emotional depth makes "Princess Connect! Re:Dive" a multifaceted series that appeals to fans of both lighthearted and story-driven anime.