I enjoyed this but it seemed a bit empty. A lack of effects maybe. You're mixing on the drums made them seem a bit dry, maybe some subtle reverb to give them some life. They seem so dry. You're arrangement in the beginning is simple but that's alright. The descending chords become lack luster towards the end and a bit, Albeit, annoying. In the future try mixing it up. This is the start of something good :) keep at it!

Its not typically my type of music but it was good. And I love undertale ;). but anyways, Everything production wise was...interesting. the strings and orchestra sounds were really cool but you lost me when the synth played at 00:42. It just seems so out of place in the song. to sharp in this environment you've created that's super airy. Other than Great job!