After looking at Panel 2 on Page 9, there's not much more of a turn-on to me than when your woman says, "No, no we shouldn't..." while she sticks her butt in your face.
I don't know if that was the right outfit for running, but that was the right outfit for something. Should have torn a hole in the leggings, and kept them on though. You had a skirt to hide it afterwards.
Seems that by the ... er, climax, Girlfriend-chan may have awakened to a particular fetish. Do your best to keep it going, Boyfriend-kun (lucky bastard).
And we are One Story Closer to a Tatsu Tairagi Tankoubon release on Fakku.