Is there any yaoi that the seme wears dress or he's cross dressing

I'm not sure if this fully fills your criterion, but try Chapter 6 of this if you haven't come across it yet: http://www.mangago.me/read-manga/katappashi_kara_zenbu_koi/

And goodluck on your search!

http://www.mangago.me/tag/crossdress%20seme/

not hard to look for a tag

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

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/nise_x_koi_boyfriend/
^^
it has a reealllyyy cute seme

http://www.mangago.me/home/mangalist/48294/

Thanks

Thanks

Thanks

Thanks

Thanks