Critique Requested さよーならみなさん / Goodbye, everyone (WIP)

[Saboten]

credits :
✽ original by PowaPowa-P( ぽわぽわP ) ✽
✽ ust by athilove101 / Thilah ✽
✽ tuning by athilove101 / Thilah( few edits by me ) ✽
✽ illust by @bbangsama ✽
✽ mix by me ✽
✽ Shirone Tenshi / 白音テンシ by @bbangsama ✽
✽ enjoy! (´• ω •`) ✽
Sorry, I don't know how to mix