It contains the unabridged opening and closings of the anime as well as a new jointly produced theme song, "Gemstone" by both bands.
was later released and contains character songs performed by the voice actresses for the series' three sisters: Ai; Mai; and Mii.
The opening theme song "Popotan Kiss" was later re-released as part of Under17's second Best complication and performed during their live tour.
Poporaji's Song) is a mini-CD released by Bandai Visual in a limited press run of 10,000 copies on June 27, 2003, along with the preview DVD, The Secret of the 3 Sisters (ぽぽたん 送開始記念版 うガマンできない、3姉妹のひ·み·つ, Popotan Hōsō Kaishi Kinen ban Mou Gaman Deki Nai, 3 Shimai no Hi·Mi·Tsu)[8][9] The mini-CD contains the main vocal themes from the visual novel performed by Under17 as well as the image song, which is also the opening theme for the radio show Poporaji, performed by the anime's voice actresses for the three sisters.
[11] On November 27, 2003, the original anime soundtrack Popo Music was published by Lantis.
[13] It's a Popo Time was released November 6, 2003, by Lantis, and peaked at number 296 on the Oricon albums chart.
In addition, the CD also contains the opening and closing theme songs for the live radio broadcast Poporaji, which is based on the anime.
[16][17] The CD contains 27 tracks that are a mix of vocals and songs by Masumi Asano, Momoi Haruko & Sayaka Ohara[17] with a guest appearance Mai Kadowaki[18] as Mea.
[19] The second CD contains the voice actors from the original and includes Kadowaki as a main cast member.
Popotan", "Answer", and "Magical Mii's Pong" are all released on Under17 Best Album 1: Pretty Girl Game Love Songs (Under17 Best Album1 美少女ゲームソングに愛を!
!, Under17 Best Album1 Bishōjo Geemu Songu ni ai o), which appeared twice on the Oricon charts, peaking at number 93.