@Ian, i'm gonna try to find it, cause i'm sure i've already read it but no one comes to mind now
It's okay if you can't find one but thanks for your help :)
well.. i think you've read it already but MOB has something like that...
seito kaichou also has it :D if i remember anything else i'll tell you as well..
Well i couldnt find specifically one but here you have some yaoi like Caught in the act you can check it and see if you like some ^_^
http://www.mangaupdates.com/series.html?category=Caught%2Bin%2Bthe%2BAct&genre=Yaoi&perpage=50
sorry if i couldnt help much
Brothers.
I think the seme peeps, though. The uke doesn't know he's watching.
http://mangafox.me/manga/toshigoro_no_otokonoko_to_are/ short but cute
Looking for a yaoi that has an uke masturbating but the Seme caught him redhanded, Any suggestion on a yaoi that has that?