"Re:cycle of Penguindrum" is a surreal and thematically dense anime series that intertwines elements of fantasy, psychological drama, and social commentary. The narrative centers on the Takakura siblings—Kanba, Shoma, and Himari—whose lives are upended when Himari collapses due to a terminal illness. After her sudden death at an aquarium, Himari is miraculously revived by a mysterious entity residing in a penguin-shaped hat. This entity, known as the Penguindrum, grants Himari a second chance at life but imposes a condition: the brothers must locate the elusive "Penguindrum" to sustain her survival.

As Kanba and Shoma embark on their quest, they encounter a fragmented and symbolic world filled with enigmatic characters and interconnected subplots. The story delves into themes of fate, memory, and the cyclical nature of trauma, often employing surreal imagery and nonlinear storytelling. Key figures such as Ringo Oginome, a girl obsessed with a diary she believes holds the key to her destiny, and Masako Natsume, a manipulative figure with ties to a shadowy organization, play pivotal roles in the unfolding mystery. The narrative frequently shifts between past and present, revealing the siblings' tragic backstory and their connection to a traumatic event known as the "Child Broiler," a metaphor for societal exploitation and loss of innocence.

The penguin hat, which houses the entity sustaining Himari, also serves as a conduit for the series' exploration of identity and transformation. The three penguins accompanying the siblings—each representing a facet of their personalities—add a layer of whimsy and symbolism to the story. As the brothers navigate a labyrinth of secrets, sacrifices, and moral dilemmas, the series challenges viewers to piece together its intricate narrative structure and underlying messages about love, survival, and the human condition. The conclusion ties together the disparate threads of the story, offering a resolution that is both poignant and open to interpretation.