None of these are mine, I just put the videos together ok.

Credits (In order of appearance)

- Natori -
Channel:    / @siritoriyowai_  
Song:    • なとり - Overdose  

- Murasaki Shion -
Channel:    / @murasakishion  
Song Cover:    • Overdose／Covered by紫咲シオン【歌ってみた】  

- Omaru Polka -
Channel:    / @omarupolka  
Song Cover:    • Overdose - 尾丸ポルカ(cover)  

- Pavolia Reine -
Channel:    / @pavoliareine  
Song Cover:    • 【Cover】Overdose / Pavolia Reine  

- Kobo Kanaeru -
Channel:    / @kobokanaeru  
Song Cover:    • Overdose - Kobo Kanaeru (Cover)