It was mentioned that Elizabeta won a pulitzer prize for writing a book called, "Pride and Prejudice and Pimp Soul Reapers". "Pride and Prejudice and Pimp Soul Reapers" is another fanfic by Oxenstierna D. Yuki-Rin.
Shizuo and Izaya go to Hot Topic to hide from America and Roy before hiding in Abercrombie and Fitch. They even disguise themselves as shirtless mannequins at Abercrombie and Fitch, which refrences the number of photographs of shirtless males the stores have.
America complains that Roy gets to search for Shizuo and Izaya on the mall level with Hot Topic and the Hello Kitty store.
Shizuo, Izaya, and America run through the Apple store, where Estonia tries to get them to try out the new iPad.
Gintoki mentioned that he could hear America, Shizuo, and Izaya from Williams-Sonoma.
Shizuo and Izaya go to Burger King after their mall adventure.
It is mentioned that Ennis won a furniture set from IKEA in the charity auction.