Chou jue deng chang

When Xiao Bo's father, who had a sex change and wants to be called mom, is dying, he insists on having the taste of Xiao's milk (sperm) when he dies, so he gives him head. Soon after, he meets his best friend, Nana, for the first time after his sex change, now a beautiful woman. Other acquaintances are getting sex changes while Xiao copes with his loss. Nana becomes despondent at the prospect of never finding the right man.