The track names alone tell you this VN soundtrack has range. Noel by FlyingShine has 26 tracks that swing from Vive memor mortis (literally "remember you will die") to something called Talkative Weather, and both work. Distant Promise opens with this aching piano melody that sets the emotional stakes immediately.
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The Stench of Blood and Invasion go dark and tense, then Waltz for a Young Girl pulls you back into something tender and music-box delicate. Angel's Prayer sits somewhere in between, just floating. The whole thing has that mid-2000s Windows VN production where synths try really hard to sound orchestral and mostly succeed through sheer sincerity.
If you dig visual novel soundtracks that aren't afraid to get dramatic, this one commits fully.