O Jogo do Mentiroso (2007)

Both Liar Game and Kakegurui involve complicated games where you must outsmart the other players. Both are a little dark, but not too dark.

How Kanzaki Nao & Akiyama Shinichi meet & how Liar Game start also including characters & story involved. Mystery, games, dark, thriller, psychological drama in one package. A must watch worth watching drama.