Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
The story oriented suspense AVG, in which the game progresses by reading the message.
The 13 players who are trapped in the closed ruins. The hidden collar, the PDA that imitates a trump.
If you do not clear the given condition within 72 hours, the collar's device will be activated.
The escape of the main characters who got caught in the survival game for survival started.