http://www.mangago.me/read-manga/ai_hime_ai_to_himegoto/
http://www.mangago.me/read-manga/houkago_x_ponytail/
http://www.mangago.me/read-manga/limited_lovers/
http://www.mangago.me/read-manga/sensei_ni_ageru/
http://www.mangago.me/read-manga/futari_no_table/
http://www.mangago.me/read-manga/miman_renai/
http://www.mangago.me/read-manga/kiss/
http://www.mangago.me/read-manga/hana_no_namae/
http://www.mangago.me/read-manga/hakuji/
http://www.mangago.me/read-manga/ojousama_no_untenshu/
http://www.mangago.me/read-manga/gokusen/ (though not too much of romance - the girl is quite dense...still nice manga^^)
http://www.mangago.me/read-manga/daisuki_datta_yo_sensei/
Those are adorable! Thanks heaps
you're welcome ^^. Some time ago i was quite hooked on age gap shoujo ^^. They're the ones i most enjoyed :).
some more :
http://www.mangago.me/read-manga/kimi_wa_petto/ (i've read this one more times than i should;D)
http://www.mangago.me/read-manga/dengeki_daisy/
http://www.mangago.me/read-manga/hajimari_no_niina/
http://www.mangago.me/read-manga/taiyou_no_ie/
http://www.mangago.me/read-manga/takane_to_hana/ (ongoing)
http://www.mangago.me/read-manga/oyome_ni_ikenai/ (ongoing)
http://www.mangago.me/read-manga/p_to_jk/ (ongoing)
http://www.mangago.me/read-manga/biyaku_cafe/ (ongoing)
http://www.mangago.me/read-manga/papillon/
http://www.mangago.me/read-manga/dont_cry_girl/
http://www.mangago.me/read-manga/futari_no_renai_shoka/ (ongoing)
http://www.mangago.me/read-manga/v_b_rose/ (ongoing)
http://www.mangago.me/read-manga/ojikoi/
Any age-gap romance like http://www.mangago.me/read-manga/koi_wa_ameagari_no_you_ni/ or http://www.mangago.me/read-manga/lip_smoke/, where they actually end up together? Completed is best, but I'll take whatever I can get..