No one actually died. 

It was the old man that shouted making Seungcheol thought one of his friends must've died.

"Oh crap my head hurts." Joohyeon groaned. "Where am I?"

"Joohyeon." she heard a panting voice. 

"Joshua oppa?" she asked. "Where are we?"

Being the gentleman he is, he approach to Joohyeon and helped her up.

"I don't know too." He answered, terrified too.

Both of them tried opening the door that was at the corner of the room, but it's locked and they can't get out.

"What is that smell?" Joshua asked, sniffing the awful smell in the room.

"It smells like..." Joohyeon stopped, turning to her right.

"B-blood..."

"Oh my god." Joshua said, covering his mouth with eyes wide.

Joohyeon hid behind Joshua, covering her nose.

"Who are they?"