Yakusoku suru yo

Yakusoku suru yo is Aihara Yu's 4th single.

Single Information

 * Lyrics: Aihara Yu & Yaho Chiroru
 * Composition & Arrangement: Back Skippers
 * VDL-10112
 * The single was used as theme songs for the anime, Holly the Ghost.

Tracklist

 * 1) Yakusoku suru yo (約束するよ; It's a Promise)
 * 2) A・So・Bo・Ze (あ・そ・ぼ・ぜ; Playtime)
 * 3) Yakusoku suru yo (Karaoke)
 * 4) A・So・Bo・Ze (Karaoke)