xD Your size and build doesn't determine whether you get to top or bottom though, those are just yaoi tropes. Imagine if only the bigger partner got to top in real life.
Smally: "Can I top tonight?"
Biggy: "Nah, never. I'm taller and I got big hot muscles, so you're forever getting it up the ass babe."
Smally: ┗( T﹏T )┛
http://www.mangago.zone/read-manga/midnight_rain_ctk/
http://www.mangago.zone/read-manga/katsubou_animajemera/
http://www.mangago.zone/read-manga/the_good_teacher/?RXPt
http://www.mangago.zone/read-manga/megumi_and_tsugumi/
http://www.mangago.zone/read-manga/dark_heaven/?4mpj
http://www.mangago.zone/read-manga/rumspringa_no_joukei/
http://www.mangago.zone/read-manga/shangri_la_no_tori/
http://www.mangago.zone/read-manga/on_doorstep/
http://www.mangago.zone/read-manga/haga_kun_wa_kamaretai/
http://www.mangago.zone/read-manga/don_t_pick_up_the_soap/
http://www.mangago.zone/read-manga/make_me_bark/?TmVg
http://www.mangago.zone/read-manga/wolf_in_the_house/?0hwP
I actually thought that the vampire was the bottom one. Like he's smaller than Kenneth! Jddjjdbdjdjdhhsjsuwjw