Fire Emblem Fates: The Crown of Nibelung (Niberungu no Hokan)
Fire Emblem Fates: The Crown of Nibelung (Niberungu no Hokan) is a josei manga by Yugyoji Tama. This two volume series loosely follows the plot of Fire Emblem: Fates Revelation with a focus on female Corrin and her relationship to the Nohr royal family.
The manga is completely in Japanese with little to no English text. It was never released outside of Japan and has never received an official English translation. Although it has furigana, the manga has a very formal tone and uses a lot of difficult language. I would recommend having a Japanese reading ability of at least JLPT N2 to fully enjoy it.
The manga is used but still in very good condition. It has some minor creases from reading but no major damage to its cover or internal pages.
Please see the reference photos prior to purchasing to confirm its condition for yourself.