Season 1 · 12 episodes
Minato Sahashi, a typical ronin student, finds his life suddenly changed after meeting a strange girl named Musubi. Minato discovers learns that she is a 'Sekirei' and that he is her 'Ashikabi' (ie. Master).
When Minato's landlord evicts him from his apartment, he and Musubi must search for a new place to live. Through a twist of fate, the two encounter a young woman named Miya Asami, who runs a boarding house (Izumo Inn) and are allowed to st…
Minato takes a job at a local construction site where he meets another Ashikabi, Seo Kaoru. With Seo's help, Minato infiltrates a nearby botanical garden, drawn by visions of a young Sekirei girl named Kusano, after Seo and his Sekireis el…
Minato, Musubi and Kusano are startled by strange events at Izumo Inn. Unknown to him, Minato is being secretly watched by a mysterious girl. When Musubi leaves to gather groceries, she is attacked by a satellite weapon controlled by the m…
The mysterious girl turns out to be Matsu, a Sekirei who has been hiding at the Inn. Matsu becomes Minato's third Sekirei. Minato has dreams of another Sekirei, later identified as Tsukiumi, a Sekirei that despises Ashikabi. Minato and Kus…
Tsukiumi attacks Minato to prove that she doesn't need an Ashikabi, but she cannot release her full power. Hibiki and Hikari show her the power of fully winged Sekirei, but Minato shields her from the attack. Finally understanding Minato's…
Karasuba, a dangerous and lethal Sekirei, pays Musubi a visit at Izumo Inn and reaffirms a promise the two made in the past. MBI Director Minaka initiates the second phase of the Sekirei Plan and blockades Tokyo with armed personnel from M…
Sekirei #95, Kuno, and her Ashikabi Haruka attempt to escape Tokyo despite a lockdown, but are pursued by MBI soldiers and members of the Disciplinary Squad. While Uzume visits her Ashikabi, Chiho, in the hospital, Yukari resolves to help …
The fight between Tsukiumi and the 'veiled' Sekirei (Uzume) ends abruptly due to the interference of Sekirei #3, Kazehana. Musubi takes Minato to meet Kuno and her Ashikabi, Haruka. Since Kuno is so weak, Haruka has decided to leave the ci…
Haruka tells the others about how he and Kuno first met. Minato and Musubi take them to see Seo, who gives them information about the Disciplinary Squad and other dangerous Ashikabi in the city. After some 'prompting' from Miya, Seo agrees…
Karasuba and Natsuo discuss the relationship between Musubi and Sekirei #8, Yume. The escape plan commences. Matsu rushes to the scene on her motorcycle and saves Kusano, after she becomes surrounded by MBI Security Service soldiers. The g…
Minato is in despair as Musubi is down for the count, but refuses to give up, much to Benitsubasa's irritation, who proceeds to deal with him. Battles rage elsewhere as Kuno and Shiina (along with their respective Ashikabi) come under assa…