Oops...haha Tsukare-mara right? Tsukare-mara is when physical and mental fatigue is at its peak, the penis becomes erect even though there is no sexual stimulation

Hey, don't worry about it I'm used to it.

By the way Kyoji, do you jerk off every day?

What is there to be shy about? I'm just asking cause its an important thing related to work out performance.

I've been too busy lately, with all the lessons and work...

I don't have the time to play with mine.