IPX197 10th anniversary of the debut of the special project to sneak into the NN (no condom internal ejaculation) custom store and guests come here to have sex without a condom and internal ejaculation four times 240 minutes special"raid sneak into the custom store," the critically acclaimed once again raid Hizaki Jieushika. (IPX197出道10周年特别企划潜入NN（无套内射）风俗店和来这里的客人无套做爱内射四次240分钟特别篇「突击潜入风俗店」大受好评的再次突击希崎洁う希卡.)