Musicians collaborating with Moriguchi in the album include pianist Kotaro Oshio, violinist Naoko Terai, Japanese choir VOJA, singer-songwriter Mami Ayukawa, guitarist Masayoshi Ōishi, Wagakki Band shakuhachi player Daisuke Kaminaga, pop duo Salt & Sugar, and rock band TM Network.

[1] The album cover, illustrated by Tsukasa Kotobuki, features Moriguchi cosplaying as Sayla Mass, with the RX-78-02 Gundam in the background.

The first one was an LP-sized jacket with original stickers and an advanced lottery serial code to purchase a ticket to Moriguchi's "Starry People" concert at Hitomi Memorial Hall on May 3, 2022.

Fans who preordered the album received an A4-sized clear file and an illustrated box to store all three Gundam Song Covers CDs.

[6] All tracks are arranged by Kōichirō Tokinori, except 1 by Kenji Nishimura, 2 by Kotaro Oshio, 3 by Tetsuya Komuro, 4 by Satoru Shionoya, 6 by Masayoshi Ōishi and eba, and 7 by Naoki Kitajima.