Is there a yaoi manga where the seme and uke are having threesome with other guy, and the ...

http://www.mangago.me/read-manga/peeping_tom/

Thanks(⌒▽⌒)

I can't remember exactly, but there was a yaoi manga with a sensei who loves the seme and the uke knowed that, so he let him lick the seme's dick, but in exchange he have to let him fuck him, so they haved a threesome?

http://www.mangago.me/read-manga/fascinating_summer_vacation/mf/v01/c004/

Thank u very much!!!!!! ヾ(☆▽☆)

I recall some more 3rd guy is Uke..
http://www.mangago.me/read-manga/coyote_zariya_ranmaru/ - a Cross Dressing Hermaphrodite!
http://www.mangago.me/read-manga/love_me_hard/ - 2 Uke

WOW!!! (づ￣ ³￣)づ
Thank you!!!! ヾ(❀╹◡╹)ﾉ~