Sekirei

Sekirei (2008–2010) is a two-season supernatural action-comedy TV anime adapted from Sakurako Gokurakuin’s manga by studio Seven Arcs. The story takes place in a near-future Tokyo known as "Teito," where 19-year-old Minato Sahashi is struggling with life after failing his college entrance examinations for a second time. His trajectory changes drastically when a mysterious girl named Musubi literally falls from the sky into his arms while running from aggressive pursuers. Minato discovers that Musubi is a "Sekirei"—a superpowered extraterrestrial being—and that he possesses the rare "Ashikabi" gene, granting him the ability to unlock her latent powers through a ritualistic "winging" kiss.

Unbeknownst to Minato, the powerful mega-corporation Mid Bio Informatics (MBI), spearheaded by the eccentric billionaire Hiroto Minaka, has initiated the "Sekirei Plan." This high-stakes urban battle royale forces 108 Sekirei and their chosen human Ashikabi partners to fight across Teito until only one standing pair remains. Minato, whose compassionate nature makes him reluctant to engage in violence, finds himself taking residence at Izumo Inn—a boarding house run by the formidable Miya Asama that acts as a neutral sanctuary. Over time, Minato unknowingly draws multiple un-winged Sekirei to his side, creating a devoted flock while defending them from ruthless rival Ashikabi and corporate traps.

Across both seasons (Sekirei and Sekirei: Pure Engagement), the narrative escalates from lighthearted harem antics and initial skirmishes into an all-out urban war. As MBI shifts the game into more dangerous stages, Minato and his flock are forced to confront dark corporate secrets, tragic betrayals, and the true, oppressive nature of the Sekirei Plan, ultimately standing together to forge their own path toward freedom.

At its core, Sekirei explores the contrast between manufactured control and authentic human connection. MBI and its chairman view the Sekirei as artificial weapons, bio-engineered assets, and entertainment in a social-Darwinist tournament where only the ruthlessly strong deserve to ascend. In contrast, Minato treats the Sekirei as autonomous individuals worthy of respect, love, and protection rather than tools for conquest.

The series asserts that true strength does not originate from domination or violent ambition, but from mutual trust, empathy, and genuine affection. By refusing to play MBI's ruthless game on its corporate terms, Minato proves that emotional unity can shatter pre-ordained fates and overcome tyrannical systems.

The Corporate/Capitalist Allegory: MBI represents hyper-capitalist corporate tyranny, where human and alien lives are reduced to assets, commodities, and entertainment for elite executives.

Released during the late 2000s (2008–2010), Sekirei emerged during a peak era for supernatural "battle harem" anime alongside titles like Fate/stay night, To Aru Majutsu no Index, and Rosario + Vampire. The show bridged high-concept battle royales with romantic comedy and ecchi fanservice.

Critically, Sekirei was received as an above-average entry in its genre. Reviewers praised Seven Arcs' energetic action sequences, memorable seiyuu performances, and genuine emotional stakes, while acknowledging its heavy reliance on torn-clothing ecchi tropes. Its legacy remains that of a definitive late-2000s battle harem, often referenced in anime discussions regarding fan demand for a continuation despite its anime-original ending.

Praised Aspects: Viewers praised the high-tempo battle sequences and fluid martial arts animation produced by Seven Arcs, memorable character chemistry (particularly Tsukiumi’s proud tsundere demeanor and Miya’s terrifying landlady presence), and strong vocal performances and soundtrack.

Main Points of Criticism: Critics highlighted the heavy reliance on ecchi fanservice (frequent clothing destruction) which alienated viewers seeking pure action, Minato's early indecisiveness as a typical "dense harem protagonist," and the anime-original conclusion of Season 2 leaving several manga plot threads unadapted.

Overall Verdict: A quintessential late-2000s battle-harem classic that balances comedy, action, and fanservice with surprising heart.