Genei wo Kakeru Taiyou: Fumikomenai Kokoro
Watch Genei wo Kakeru Taiyou: Fumikomenai Kokoro full episodes online English sub. Other tiles: Synonyms: Gen’ei wo Kakeru Taiyou Episode 14, The Sun Penetrates the Illusions Episode 14
Synopsis: Unaired 14th episode of Genei wo Kakeru Taiyou, broadcast on Nico Nico and included in the 4th Blu-ray and DVD volumes. It shows Akari and Fuyuna’s lives prior to the main series as well as how Luna got started as a magical girl.
More info: Myanimelist, Wikipedia