I made it 

So the mask that the man has is a poisonous mask he got close and close and he put it on the girl sama she fainted and then the man called his friend to take sama and then you can read the text they took a weapon and went to the location and it was in nowhere I wrote if wrong so don’t blame me and I forgot to tell you the characters they are:Sama,lam and Emma lam kills the man and Sama,lam and Emma went on a party that is the story