Gender Bender

yes.

http://www.mangago.zone/read-manga/kanojo_ni_naru_hi/

http://www.mangago.zone/read-manga/kanojo_ni_naru_hi_another/

those are my all time favorite

http://www.mangago.zone/read-manga/biyaku_cafe/

Oh nevermind, misread the question

omg stupid. those are about guy turn into girl. bleh. my bad. sorry

http://www.mangago.zone/read-manga/penguin_revolution/

Oh i just remembered one http://www.mangago.zone/read-manga/joshi_bl/mf/c005/