Anyone know

ff

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

This is the closes I know of a seme who likes to cross dress as a cute girl.

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

does cute bunnies count

This one is ongoing so I don't know who's gonna top
http://www.mangago.me/read-manga/i_want_to_spoil_ikurou_san/

reversible couples would be great tbh

http://www.mangago.me/read-manga/honjitsu_wa_ohigara_mo_yoku/
http://www.mangago.me/read-manga/shiawase_gohan_maki_to_hanazawa/
http://www.mangago.me/read-manga/xxx_allergy/