Akiho Yoshizawa on RBB-163 with Slut.

Compiles various scenes with female gamblers from 4 films produced by Nextacy ("Onsen-Kishi Kyoko", "Pachinko Queen Explosion", "Rei The Hustler" and "Ryu the Mahjong Fighter").

Koko, whose constitution improves her competitiveness when she soaks in hot springs, and Tamano, a plain virgin, are rivals about to compete in the Women's Shogi Championship. However, Tamano's skills improve after experiencing a man for the first time, putting Koko in a difficult position.