It's just Frostnova's 3 themes from the game sloppily stitched together, nothing's overlapping in a cool harmonic way bc I'm not a musician lol.

Songs are from Arknights, taken from youtube.
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Frostnova - https://www.youtube.com/watch?v=vlQUhzCgy6E

Frostnovaevolution - https://www.youtube.com/watch?v=SYjGkogO9vg

Frostnovaevolutionhard - https://www.youtube.com/watch?v=HgHp1n_svHQ

Image source: 
https://mrfz.fandom.com/wiki/FrostNova

Frostnova + Frostnovaevolution + Frostnovaevolutionhard

If you want me to take down any songs, please send me a message!
and no, I upload whatever I like. Not just TDS (I actually don't even play TDS anymore lmao)

Frostnova + Frostnovaevolution + Frostnovaevolutionhard

Mimi Peach