This video contains 5 tracks in total, 4 of which got cut and eventually removed from the game series.
There was never an official release of this album/of those soundtracks, so you'll never find any information about this.
All of this comes from BOX version, released back in 2020 from 0verflow.
Chapters:
00:04 – (KIRIKO) – Liar In The Mirror (Full Chorus)
04:05 – (KIRIKO) – Liar In The Mirror
06:16 – (HIKO) – Kotonoha's Theme
08:54 – (HIKO) – Sekai's Theme
12:23 – (HIKO) – Horror Theme (Knife or Saw?)
All credits go to 0verflow/STACK.