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MBI ( M・B・I, エムビーアイ, Emu Bī A) is an abbreviation for Mid Bio Informatics, a powerful conglomerate founded by Minaka Hiroto, with their headquarters based in Teito Tower (帝都塔, Teitō-tō) and in charge of the Sekirei Plan. With the overtechnology ("Regalia" Kanji used for this[1]), found in the alien ship on Kamikura Island, he built up MBI as a pharmaceutical company. Soon after this MBI became an economic, technological and medical network, controlling the world in every field [2]. MBI has enough power and influence to take control of a huge city like Tokyo/Shinto Teito, effortlessly buy out and assimilate other companies, and to own and keep a standing company army.



  1. Sekirei Manga chapter 113
  2. Sekirei Manga chapter 71