Summary (taken from OneManga):
Congratulations! You are one of the 1 in 100,000 people who have been entered in the amazing LIAR GAME TOURNAMENT!
Along with the postcard there are 100 million yen in notes. That’s the beginning of the Liar Game. When the game ends, in 30 days, you will have to return your 100 million. If your opponent steals them, he can keep them as a prize, and you will have a debt of 100 million…
Scanlated Chapters 86-97. Currently scanlated by Watercrown Productions