Naughty Runner’s High!

I somehow think her having nothing under her sports suit would have been more erotic than lingerie... Maybe I†˜m strange...

Well hey, running together with your crush (a cute girl) is definitely a solid motivation for running.
'Wearing nothing but my underwear'? I get that it's lingerie, but...Y'know, if you're going to go for the exhibitionism appeal, then go all the way and just get naked under that tracksuit! His confession was completely on point though, perfect timing and everything.
Great ending. Well hey, I'm sure the running also helps you to build stamina for your uh...sessions with her that come afterwards, yes?

Yeah, when she said her boyfriends couldn't keep up with her, I suspected it wouldn't be about running... :D

Interesting, I ran to lower my blood pressure, maybe I need to try the love egg thing though.

While she was wearing that underwear I had a flashback to an ESPN commercial with Kevin Garnet and Stephon Marbury.

"No underwear, none of that, all nude! Tastefully done."

Seems that Nonaka-kun might need something more than just running to raise his stamina level so that he can *koff-koff* "keep up with Ayase-san".

Perhaps a routine rooted in martial arts, eh?

In the meanwhile, hang in there ... you Lucky Bastard (GRR)!

Time to start dusting of my running shoues!