Of the videos, a new version of "Starry Heavens" was created, which misono had performed while she was the lead vocalist of the band day after tomorrow.

[6] Following the games, the songs "Starry Heavens," "Soshite Boku ni Dekiru Koto" and "Ninin Sankyaku" were remastered for the 2013 release.

For the remasters of "Starry Heavens" and "Soshite Boku ni Dekiru Koto," Mitsuru Igarashi from the group Every Little Thing performed the instrumentals.

[9][10] The two new tracks on the EP, "Junction Punctuation Mark" and "61 Byoume no... Fura Letter Saigo no Hatsukoi ~Copernicus Tekitenkai~," were written by misono herself, both musically and lyrically.

[11] Both "Junction Punctuation Mark" and "61 Byoume no... Fura Letter Saigo no Hatsukoi ~Copernicus Tekitenkai~", along with their corresponding music videos, would later be included on misono's fourth and final studio album Uchi.