Fuck Night Reversal summary:

【Pheromonal Older Yakuza × Beautiful Gambler】 “I know many things about you, beside your name.” The one who suddenly appeared in front of Aoba, who lost his job and earned money everyday through illegal gambling, was the owner of the casino behind the scenes and yakuza, Dangami! Although I know it's dangerous, I can't resist it… I’m attracted to the adult man’s sly invitation and his melting kiss. However, when I’m on stage, I get lucky! The Aoba that I noticed, while being tossed about, let his beauty and talent bloom indecently…?!