to be fair, its the trainer that needs to make amends.... This goes a little far for just a prank i think.
Fake blood.
Just a prank, bro
My new costume comes with a sword!I'm gonna hit you like this if you force me to do pool training!Take this!Eh... uh...Isn't this supposed to be a fake sword...Gasp...Trainer-san...?This can't be happening...No...Why...