mangas where the seme is shorter and cuter than the uke and pretends to act cute but is actually very devilish...sort of like kawaii akuma?
http://www.mangago.zone/read-manga/koitomo_/
http://www.mangago.zone/read-manga/ore_no_ushiro_ni_tatsu_na/
also mishima kazuhiko (the mangaka) has a lot of works like this!!
e.g. http://www.mangago.zone/read-manga/uchi_no_tenshi_ga_kemono_deshita/
http://www.mangago.zone/read-manga/stay_gold_koi_no_lesson_a_to_z/
These always make me giggle...I think they've all kinda covered it though.....
http://www.mangago.zone/read-manga/takayanagi_no_bangohan/
mangas where the seme is shorter and cuter than the uke and pretends to act cute but is actually very devilish...sort of like kawaii akuma?