A strange mirror, is it a prank, a game, or... What kind of story will these seven people experience?
After everything they have experienced, can they survive and return to the real world?
"Hehehe... Heh... Who do you think you are?"
"A doll must have the consciousness of a doll... Want to break out of the cage... Ha, it's ridiculous."
"... Remember, this is your choice... Salvation... You can't escape it!"
