High Spec Days

 is the major debut single by Oshima Haruna.

Single Information
High Spec Days was used as the theme song for the anime Wagamama High Spec.
 * Lyrics: SugarLover (Track 1, Pattern B track 2), Oshima Haruna (Pattern A track 2)
 * Composition: Wakabayashi Mitsuru (track 1), Saito Yuuya (Pattern A track 2, Pattern B track 2)
 * Arrangement: Saito Yuuya (track 1, Pattern A track 2), Ito Naoki (Pattern B track 2)

Pattern A CD

 * 1) High Spec Days (ハイスペックDays)
 * 2) Miracle heart!
 * 3) High Spec Days (ハイスペックDays) -Instrumental-
 * 4) Miracle heart! -Instrumental-

Pattern B CD

 * 1) High Spec Days (ハイスペックDays)
 * 2) Houkago Amazin' Kiss (放課後アメージンッKiss)
 * 3) High Spec Days (ハイスペックDays) -Instrumental-
 * 4) Houkago Amazin' Kiss (放課後アメージンッKiss) -Instrumental-