Azure Sky: Mysterious intro! Loving the chords.
Cumulus: This does give me a floaty cloud vibe!
Cresting Space: Great rhythm in the bass.
Clouds As Hills: Cool drums. I could imagine this in a game like Omori.
Sky City Alleyway: Really cool sound choices. More mysterious chord changes!
Shirotatsu's Lament: Very dark! Fits the lament part.
The Floating Tower of Shirotatsu: Energetic! This gets really cool around the 30 second mark. Love those electronic sounds.
Yin vs. Yang: These arps are really cool!
Great work! I love the mysterious vibe throughout, I like your unique atmospheric style.