Hajimari no Sokudo

 is the debut single by Sangatsu no Phantasia.

CD

 * 1) Hajimari no Sokudo (はじまりの速度)
 * 2) Hana ni Yuukei (花に夕景)
 * 3) Kimi to Ita Natsu (キミといた夏)
 * 4) Hajimari no Sokudo (はじまりの速度) –Instrumental-

Anime Edition CD

 * 1) Hajimari no Sokudo (はじまりの速度)
 * 2) Hana ni Yuukei (花に夕景)
 * 3) Kimi to Ita Natsu (キミといた夏)
 * 4) Hajimari no Sokudo (はじまりの速度) –TV size-

Limited Edition DVD

 * 1) Hajimari no Sokudo -Music Video-
 * 2) Hana ni Yuukei -Music Video-
 * 3) Kimi to Ita Natsu -Music Video-

Anime Edition DVD

 * 1) "Kiznaiver" ED Non-credit Movie