Niji no Hajimari no Basho

 is the debut digital EP released by Hisui Kiseki.

It was released on June 26, 2021.

Tracklist

 * 1) Rainbow
 * 2) Initiative (イニシアチブ)
 * 3) Konshin no Antithesis (渾身のアンチテーゼ; The Antithesis of the Best)
 * 4) Ame Hare Kiseki (雨晴れキセキ; From Rainy to Sunny)
 * 5) Habataki (ハバタキ)

Featured Members

 * Kamiya Yuzuki
 * Sato Aoi (Last)
 * Shiramatsu Yuri
 * Nakatani Mirei