The second part, Tobaku Haōden Zero: Gyanki-hen was serialized in the same magazine from July 2011 to May 2013, with its chapters collected in 10 volumes.

The story revolves around gambling with high stakes, with focus on competition and rivalry.

Zero Ukai, a boy who causes a stir as a so-called "Robin Hood" of society, is invited along with his friends to the Dream Kingdom, a part-gambling part-amusement park under construction by the wealthy Muryō Zaizen.

In order to save all the victims of the bank transfer scam with the prize money, Zero takes on the challenge to become the king, but the games are nothing short of the ultimate gambles of life, mind and body.

[16][17] A 10-episode Japanese television drama adaptation titled Zero: Ikkakusenkin Game (ゼロ 一獲千金ゲーム, lit.