idk if u mean the whole belly gets bigger or that you can see the dick bulging from the stomach
http://www.mangago.zone/read-manga/a_dead_crow_s_stare/
the current translated chapters haven't gotten to it yet (sorry) but the seme(s) dick is enormous so it does bulge out of the ukes stomach
sorry thats the only time i remember seeing that :'c
excuse the low rating, but these are the only ones i remember lmao
- http://www.mangago.zone/read-manga/fate_zero_dj_fuck_ero/
- http://www.mangago.zone/read-manga/pink_gold_5_cach/ (: shotacon)
any yaois where during sex theres belly inflation? other by the seme’s dick or overload of cum. thanks!