M-01
Performer: Uzuki Shimamura (CV: Ayaka Ohashi), Rin Shibuya (CV: Ayaka Fukuhara), Mio Honda (CV: Sayuri Hara), Shin Sato (CV: Yumiri Hanamori), Kanako Mimura (CV: Yuka Otsubo)
Composer: Hideaki Takatori
Arranger: Hiroaki Kagoshima
Lyricist: Yuta Yashiro
M-02
Performer: Airi Totoki (CV: Hitomi Harada)
Composer: Maoki Yamamoto
Arranger: Maoki Yamamoto
Lyricist: Maoki Yamamoto
M-03
Performer: Miyu Mifune (CV: Sayaka Harada), Hajime Fujiwara (CV: Minori Suzuki)
Composer: AJURIKA
Arranger: Shunsuke Takizawa (TRYTONELABO)
Lyricist: AJURIKA
Album was composed by Akitaka Tohyama / Hideaki Takatori / Maoki Yamamoto and was released on January 23, 2019. Soundtrack consists of 7 tracks tracks with duration over about 30 minutes. Album was released by Nippon Columbia.
CD 1
| 1 | Happy New Yeah! (M@STER VERSION) | 04:14 | |
| 2 | Hitotoki Tokimeki | 04:50 | |
| 3 | Nocturne ~For SS3A Rearrange Mix~ | 04:44 | |
| 4 | Happy New Yeah! (M@STER VERSION) Original Karoke | 04:14 | |
| 5 | Hitotoki Tokimeki Original Karoke | 04:51 | |
| 6 | Nocturne ~For SS3A Rearrange Mix~ Original Karoke | 04:46 | |
| 7 | Happy New Yeah! (GAME VERSION) | 02:05 | |
