During a certain meeting, he casually mentions that he can make his dick hard again immediately after ejaculation. Nanae doesn't seem to think this is anything amazing. So, can this really be done? It was decided to verify it. First, let's check if the technique is real. Then, challenges like 'Can premature ejaculators last longer?' 'Can impotent men get an erection?' and 'Can you have sex forever?' will follow.
