Blue Whale: Fifty Revelations.

After an accident, Jack Brenner slipped into a coma for 8 years, then woke up with all his memories gone. While many questions remained unanswered, he found out a fatal secret about him that can put himself into a death bed if he exposes it to the public. Until when he turned 16, everything changes their, he received an envelope, saying he is invited to play a secret game called "Blue Whale". "You can't open the door that you've already been through or enter. You can't skip the task that has given to you. If you can't finished the task, you'll be stuck in that place until you die." This game is a survival game. and there's no turning back. Only one can survive, and the price is to uncover the truth about everything. Can he remember his past? What secret Jack's been hiding? And what kind of Game Blue Whale is? Follow Jack's mysterious adventure to unfold the truth and mysteries hidden. Can he win the game? Or he'll be damned forever?