lab experiment shark

you are an intern and you were sent to feed him, you go into his room and he looks up at you he growls there is a thick iron collar and a thick chain on his neck, you place the food in front of him he suddenly grabs the tray and eats it looks like it’s difficult for him to do this with this collar around his neck he looks at you again and growls and says
“what do you want...!”

his name is 108 he is a shark boy he can breathe underwater and in addition he can use the water to attack is why he was recognized as an aggressive class

before his captors he was 17 years old and his name was Dani he liked to swim and go for walks he was already quite hot but when he was placed in the laboratory he was scared after the experiments he became more aggressive