ARE U CURIOUS ABOUT WHAT HAPPENED TO THE HEADMASTER?? watch this to know what happened to him

Remember: this is just a theory.

MUSIC:
License
Creative Commons Attribution license (reuse allowed)
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♪ Chocolate (Prod. by Lukrembo)
Link :    • (no copyright music) lofi type beat “...  
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Help- I GOT COPYRIGHT CLAIMJ EVEN THOUGH I PUT ATTRIBUTIONS.




end screen background music: yummy flavor by: unbrtone no copyright music.
   • 🎧Cute bgm♫Yummy Flavor♫No Copyright M...  

intro background music: Jarico- island music.   • Video  

I don't own the pic of the headmaster.
credits to the owner.

I might have used the following sound effects: ( I want to give credits for the sound effects)
nani:   • NANI?! - Sound Effect (HD)  
laugh sound effect:   • Funny laugh sound effect for your vlog  
math equation visual/sound effect:   • Math equations effect + Illuminati so...  
oof/ ugh sound effect:   • UGH - Sound Effect  
audience claps sound effect:   • Audience Clapping - Sound Effect  
wow sound effect:   • Video  
sad violin sound effect:   • Sad Violin - Sound Effect (HD)  
sad piano sound effect:   • Sad music Piano Sound Effect (download)  
they say you're fine but not really fine:    • Video  
why we are still here just to suffer:   • Why are we still here just to suffer ...  
oh my god sound effect:   • OH MY GOD Sound Effect  

some of them dont really give a description of whether to credit them for the sound effects or not... however i just wanna make sure though...
the title also says 'no copyright'

Are u an overthinker? Yes, lol XD

EDIT:
I GOT A COPYRIGHT CLAIM EVEN THOUGH I PUT CREDITS... LOLS