AURA Koga Maryuin's Last War OST 

Tracks (Download link in the pinned comment)
00:00 -Dark Hero
01:16 -Legend
02:09 -Opening
05:55 -Encounter with Other World
06:46 -Boy and Girl
10:12 -Visitors Uninvited
10:59 -Reconversion of Wavelength
11:45 -Search
13:06 -Warriors of Fate
13:51 -Power Structure
14:14 -Incident
17:05 -To Buy Shoes
18:21 -Classic
19:14 -Fear
21:03 -Confessions
22:22 -Tear
24:41 -Extraordinary That There is No Witch
26:07 -Confronting
31:19 -Battle of Maryu Council Light Tust Last (I assume it's title was, "The Last Battle of Koga Maryuin")
34:12 -Two
36:53 -Game BGM
37:29 -Nocturne
Composed by Michiru Ōshima
(Apologies if some of the track's names are incorrect, it's how the translator interpreted it as...)