User blog comment:Jopjopjop/Volume 19 Quotes / Spoilers/@comment-24136659-20141103202425/@comment-1359322-20141104052044

Actually i think the reason why Issei doesn't have a club isn't because he doesn't want to join it's because no one wants him. Motohama is the same, he has no clubs too. The only one of the Perverted Trio to have a club is Matsuda.