undyne sprite by Pongy25
https://www.deviantart.com/pongy25/art/Undertale-Undyne-the-Undying-sprite-sheet-797159720
flandre sprite by @Empty_SKK
animated by @Empty_SKK
Touhou project by ZUN
UnderTale by TobyFox
music U.N. Owen Was Hero?
https://youtu.be/Ko3Xg_sKq0w?si=fFYV4G4TZ109tsRl
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Just simple animated......