Rio Kuriyama

Ken, a serious office worker, goes to a love school to find a girlfriend. Thanks to his efforts, he ends up dating a beautiful woman named Chika. However, just as they are about to have their first sexual encounter, Chika tells him a shocking truth...

First crossover between the series Jou-ou and Yaou (Queen of the Night and Night King). Hirona, a former top hostess and now a popular film actress, is involved in a sex scandal. She becomes obsessed with the actual N°1 host, Jin. Jin and his patron, Ichijo Shino, plot to put her back in the "Queen of the Night" position and gain complete control over the neon district.

This is the story of Kajiyama Tsuneo, a struggling salaryman who relies on his own intuition and experience to pursue the finest sex industry, saying, " This month, I'm going to take my chances! "