Tried to take a stab at translating this one. It's not perfect, but I think it's a close enough translation to be passable. I tried my best to avoid the awkward-sounding dialogue that you'd get from direct translation.

Ever wonder how weird it would be for your body to slowly morph into the opposing gender? even if it took only 6 hours. what would be even creepier if it happened during the day and you would spend the whole day feeling your penis disappear. Still, the drug would sell out faster then most legalized drugs. And I bet everyone would do what Yasuha did.

Base +7, Montaj +8, shichiseiken +5

Haha. Especially in Thailand.

Base +9, shichiseiken -5, Nemesis2000 -5, saga -8, Tangle8025 -4

Fun fact: A woman can and will continue to produce milk so long as her breasts are stimulated.

The more you know!

Base +9, D u b b y +12, camelkid11 +5, tgsos +8, JellyTime +7, Marisa Kirisame +6

As far as I'm concerned dorkas you did a pretty good job, not perfect but acceptable. Also extra kudos for introducing me to a new mangaka, thanks.

Base +9

The first volume is here
http://www.dlsite.com/maniax/work/=/product_id/RJ123384.html

Base +13

great gender bender story here , thanks for english translation ^_^

Base +23