After his penis starts shrinking, sports scholarship student Issei finds out the only way to treat it is a prostate massage. Unable to do it himself, he asks his dexterous, origami-loving childhood friend Kento, who promptly refuses. However, after finding out the alternative would make Issei have to give up sports, Kento agrees to take care of his prostate.
Shinyuu tte Soko Made Shinakucha Ikenai No?