第 15 集: 赤木與一名腐敗的警察殺手展開高風險的麻將對決。

Akagi agrees to follow Yasuoka and Oogi to track down the murderer to play mahjong with him. The murderer is revealed to be Washizu Iwao, a decorated police officer who accumulated wealth through consulting and blackmail who has begun killing people in games of mahjong. On Washizu's mansion, Washizu introduces the "Washizu Mahjong", whose main restriction is that they will be playing with transparent tiles, where only one of the four of a kind in each tile is opaque. The three house rules are then introduced: they will not build walls as per normal rules but draw tiles from a hole in the center of the table, they will wear leather gloves so that they are unable to "feel" which tile they have drawn, and the dealer with initially draw one tile to determine the dora indicator and additional dora will be drawn when the need arises. In addition Washizu states that Akagi will be playing with 2000 cubic centimeters (ccs) of blood as his wager and Washizu will be playing with 20 million yen. (Source: Wikipedia)
集數
- 第 11 集 · Akagi 拒絕在 Osamu 未出牌前行動,隨後以策略性罰分與精準的等待戰術徹底壓制 Urabe。
- 第 12 集 · Akagi 透過戰略性巧合與裸等奪得勝利
- 第 13 集 · Akagi 運用心理戰術操控 Urabe 捨棄勝利牌
- 第 14 集 · 安岡招募赤木追捕以麻將為幌子、專門獵殺黑道成員的連環殺手。
- 第 15 集 · 赤木與一名腐敗的警察殺手展開高風險的麻將對決。
- 第 16 集 · Akagi在與Washizu的高風險麻將對決中提高賭注
- 第 17 集 · Akagi 透過策略性捨牌鎖定勝局,Washizu 在一旁見證其天才謀略
- 第 18 集 · 若杉在南部賽區因點炮阿基的立直而遭遇敗北。
- 第 19 集 · 第一輪最後一手牌時魔王的困惑