Half a year has passed since Riki's return to Ceres, who is easing back into his life in the slums. While Riki participates in an airbike race one day, Kirie suggests that Bison goes to see a Pet Auction that would be held soon in Mistral Park. Although Riki is uninterested, Kirie goads him into going as Guy notes Riki's strange behavior. Meanwhile, Iason, who is still longing for Riki, is carrying out his duties as a Blondie in Tanagura...