アスナ (CV: 戸松遥 )、 キリト (CV: 松岡禎丞 )、 ミト (CV: 水瀬いのり )、 アルゴ (CV: 井澤詩織 )

Comprised of:

1. アスナ Female Character, Began: in
2. 戸松遥 Female Person, Born: 04 Feb 1990 in Ichinomiya
3. キリト Male Character, Began: in
4. 松岡禎丞 Male Person, Born: 17 Sep 1986 in Hokkaido
5. ミト Female Person, Born: 02 Dec 1995 in Tokyo
6. 水瀬いのり Female Person, Born: 02 Dec 1995 in Tokyo
7. アルゴ Female Person, Born: 01 Feb 1987 in Saitama
8. 井澤詩織 Female Person, Born: 01 Feb 1987 in Saitama

Recordings (2)

1. Theory 3:39 (24 May 2023)
2. Theory -instrumental ver.- 3:36 (24 May 2023)