Otona no Iroha began guest serialization in the February 2012 issue of Manga Home under the title Ayano-san no Osumitsuki (あやのさんのお墨つき). The earlier work was published three times before taking up the new title in the May issue of the magazine.
Otona no Iroha has finished publishing and it has 27 Chapters. It is also Known as: オトナのいろは, Ayano-san no Osumitsuki
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