Wait wait wait. Theres One thing im confused about ....why the hell were they having sex outside !!! And Judging fom the first chapter its a very very public place! You can even see it from window!!
OMG, if you're looking for plausible scenarios, are you ever in the wrong aisle at the yaoi supermarket! LOL. Kamon Saeko specializes in hypersexy kink stories. Public sex kink? She's your mangaka.
Awww...that was beeeauuutifulll