Despite a doctor's prognosis of only a few months to live, siblings Shōma, Kanba, and Himari Takakura continue to share their home. They visit an aquarium, drawn to the penguins, where Shōma purchases Himari a hat shaped like a queen pengui…

The Penguin Spirit reappeared, instructing Shōma and Kamba to catch a train and seek out a girl named Ringo Oginome, who might hold the Penguindrum. Ringo was a student at a girls' school, so the brothers dispatched their penguins to follow…

A thought of a special curry for Tabuki, Shōma, and Kamba occupied Ringo's mind, spurred by a reminder of Himari’s precarious situation should they fail to comply. Before her curry was finished, however, the brothers broke into her house, s…

While Himari assists Ringo in preparing lunch for an outing with Tabuki at the park, Kamba instructs Shōma to accompany her and search her bag for a diary, suspecting it holds clues connected to the Penguindrum. Upon arriving at the park, t…

Asami Kuho, the girl who had been shoved on the escalator, is questioned by a woman named Natsume, who then fires a crimson sphere at her head, erasing all memory of the event. Kamba learns that his uncle intends to sell their house and see…

Kamba sought out Asami, only to discover she had no recollection of him. He attempted to glean information from two other girls, but they were struck by Natsume’s crimson spheres, and their memories fractured as a result. Elsewhere, Shoma, …

Tabuki asked Ringo to accompany him to one of Yuri’s plays, suggesting dinner afterward. There, Yuri would extend an invitation to both Ringo and Shoma for a party. The festivities culminated in Yuri’s announcement of her engagement to Tabu…

Ringo’s attempt to court Tabuki was thwarted by an empty roof, the leak having forced him out. The following day, Tabuki informed Shoma of his intention to move in with Yuri, a revelation that unsettled Ringo deeply. Later, she discovered h…

In a peculiar dream, Himari encounters a man named Sanetoshi, who presents her with volumes filled with recollections of her past. During elementary school, she and her closest friends, Hibari and Hikari, formed a trio known as Triple-H. A …

Shoma awoke in the hospital, his injuries dismissed as minor. He remained silent about the events that transpired between him and Ringo, shielding himself from his siblings' inquiries. As Ringo recounted the story to him, her words forming …

Kanba seeks out Natsume to question her about the memory-altering spheres and her persistent need for the diary, oblivious to the fact that she possesses only a fragment of it. Elsewhere, Ringo remains resolute in her pursuit of Project M, …

Kanba returned home to a summons from Sanetoshi, who declared Himari was in mortal danger once again. Shoma recounted the events of sixteen years prior, revealing that Shoma and Kanba’s parents had been prominent figures within a terrorist …

Sanetoshi presents Kanba with a restorative medicine for Himari, cautioning him of a significant price to be paid. The offer stirs a memory in Kanba – the recollection of three years prior, when he and Shoma first learned of their parents’ …

Following the end of an affair with a fellow actress, Yuri finds herself consumed by a persistent longing for someone specific. Elsewhere, Shoma avoids Ringo, convinced of her inability to ever forgive him for his parents' actions, and decl…

Yuri led Ringo into her room, an apartment situated directly beside the one where Shoma was staying with classmates on a field trip. He sprang to her defense upon realizing this, but in his haste, he tripped and struck his head, losing cons…

The revelation of Yuri’s deceit stirred a cascade of memories within Masako, bringing to the surface the figure of her grandfather, a man of formidable power who had banished her father from the Natsume family for perceived weakness. For ye…

Sharing takoyaki, the Takakura siblings felt a surge of relief at the news of Himari’s impending release from the hospital. The magic hat had once again claimed her, summoning her for another Survival Strategy meeting with her brothers, and…

Tabuki recalled the pain of his own hands, a consequence of despairing at the thought of being abandoned by her mother, who favored his younger brother – a far more accomplished pianist. After cornering Ringo in an elevator and taking Himar…

Following the events at the construction site, Tabuki resigned and departed, leaving Yuri behind. Meanwhile, Kanba received praise from his parents for safeguarding Himari; they assured him that once their ultimate goal was achieved, they w…

Masako resolves to leave the Takakuras undisturbed, still unable to accept the semblance of family they offer. Meanwhile, Himari engages in another conversation with Sanetoshi, and Shouma confesses to Ringo that Himari is not his biological…

A journalist inquires about the Takakura siblings, but Ringo deflects the questions and cautions Himari against the man. Later that night, having learned from the same journalist about Kanba's efforts to gather funds for her treatment, Hima…

Ringo encountered two girls, their presence before the Takakura residence seeming oddly out of place. She discovered them to be Hibari and Hikari, Himari’s childhood friends from the Double-H idol duo, who requested a gift for Himari in ret…

Sixteen years prior, on the day of the terrorist attack, Sanetoshi is confronted by Momoka, who is resolute in her attempt to halt him. Her spirit fractures, each half becoming the penguin hats worn by Himari and Mario, while his own divide…

Shouma’s pleas fell on deaf ears as he tried to dissuade Kanba, while Ringo also boarded the train, asserting she had gleaned the secret spell from the present Himari's friends had given her – a spell contained within the now-lost diary. Wi…