looking for some manga....(help me please :(( )

Hhmm, not sure what you mean by 'strong character,' but try these series:
http://www.mangago.zone/read-manga/hanayome_wa_juunanasai/
http://www.mangago.zone/read-manga/baka_to_tesuto_to_shoukanjuu/
http://www.mangago.zone/read-manga/hana_no_kishi/

...you do realise that there is a tag for gender bender in the homepage, right?

thanks a lot (●'◡'●)ﾉ

I was thinking about these (but all well known so maybe you already read them):
http://www.mangago.zone/read-manga/basara/
http://www.mangago.zone/read-manga/saver/
http://www.mangago.zone/read-manga/tokyo_crazy_paradise/
http://www.mangago.zone/read-manga/idol_shopping/
http://www.mangago.zone/read-manga/love_in_the_mask/

thanks..
i'll read them <3<3