Vocals: Rena (Voiced by Maaya Uchida)
Lyrics: Yoshikazu Kuwashima
Composition & Arrangement: Hitoshi Fujima (Elements Garden)
Bass: Ryutaro Fujinaga (Elements Garden)
Guitar: Hitoshi Fujima
All Other Instruments & Programming: Hitoshi Fujima
Mixed by Yasuhiro Shirai
Directed by Hitoshi Fujima
Recorded at ARIA studio
Sound Production by Elements Garden
Production Management: Asami Suita (ARIA entertainment)
Enclosed with Grisaia Phantom Trigger Vol.4 Special Set. Also available digitally on Steam.
Album was composed by Hitoshi Fujima and was released on January 26, 2018. Soundtrack consists of 4 tracks tracks with duration over . Album was released by FrontWing.
CD 1
| 1 | Hollow love | | |
| 2 | Hollow love (instrumental ver.) | | |
| 3 | Hollow love (short ver.) | | |
| 4 | Hollow love (short instrumental ver.) | | |
