Hey I'm looking for some short seme and tall uke manga or where the seme or uke is unexpec...

shorter seme
http://www.mangago.me/read-manga/soshite_boku_wa_koi_wo_shiru/
http://www.mangago.me/read-manga/dekoboko_sugar_days/
http://www.mangago.me/read-manga/shishi_mo_kobamazu/
http://www.mangago.me/read-manga/akiyama_kun/
http://www.mangago.me/read-manga/app/
http://www.mangago.me/read-manga/joou_to_shitateya/
http://www.mangago.me/read-manga/tadatada_suki_to_iu_dake_de/
http://www.mangago.me/read-manga/yoru_to_asa_no_uta/

unexpected seme/uke
http://www.mangago.me/read-manga/can_i_touch_your_inside_deeply/
http://www.mangago.me/read-manga/ore_no_kirai_na_senpai/
http://www.mangago.me/read-manga/boku_no_high_spec_kareshi_sama/
http://www.mangago.me/read-manga/hi_manyuaru_ren_ai/
http://www.mangago.me/read-manga/otoshiana_ni_hamerarete/
http://www.mangago.me/read-manga/nirameba_koi/
http://www.mangago.me/read-manga/sweet_trap/
http://www.mangago.me/read-manga/saeki_kun_ni_tsunagatchau/

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

Not sure if this will work, as I've never tried copying a link before (old dog trying to learning a new trick, there's bound to be a cockup or two) but this was a cute story which meets you're criteria.

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