The Null Woman (2x12)
Rei Batsubami retells when she was a servant treated like livestock by the Monobami clan and she received kindness from a lady visitor. The woman was eventually destroyed gambling with the clan and Rei swore revenge on them. Now in the present, Rei declare that she will win the Student Council presidential election and become head of the Monobami clan. After she Reveals that she is using hundreds of votes collected from non-competitive students betting on whether she would win the election, the game continues. In the next round, the competitors realize that they must continue at the risk of losing all the votes already bid and Yuriko Nishinotoin wins with a bid of 99 votes. Yumeko relishes what appears to be a no-win situation. In the succeeding rounds Yumeko quickly bids 101, winning the bids and intimidating the other players. She next bids 1 vote, winning 100 votes from Rei, more than covering her losses. The other competitors realize her strategy, and each bids 1 vote on succeeding rounds until Rei loses all her votes. Yumeko then suggests that she still has heart, and they bet everything they have on one gamble, Rei's three billion yen against the Jubami name on the toss of a coin.