Yumeko, Saotome and the other students receive invitations to a "Hundred Votes Auction". The only ones to accept the invitation are are Yumeko Jabami, Ryota Suzui, Mary Saotome, Yuriko Nishinotoin, Midari Ikishima, Ririka Momobami. Yumeko completely ignores Midari Ikishima. Rei Batsubami is the auctioneer and Inaho Yamoto is to be the Election Committee monitor. The bidding for the first lot goes quickly, with Saotome winning on a bid of 80 votes, however the unseen sponsor collected 130 votes from the bids. The second round goes to Nishinotoin, again with a winning bid of 80 votes. After the third round, Saotome realizes that Rei Batsubami is also bidding, and she forces Rei to stop bidding. However, Yumeko then suggests that Rei is both the sponsor and auctioneer which is apparently not against the rules. Yumeko then has three billion yen brought into the room, and challenges the real Rei Batsubami to an all-or-nothing gamble, and Rei accepts, removing her glasses, wig and gloves to...