beta
Any yaoi or shounen ai manga that involve uke get reincarnated and forgot his seme, while seme doesn't forgot his uke
http://www.mangago.zone/read-manga/ayakashi_tsukai_no_yome_sagashi/
The first 3-4 chapters describe what you're talking about
legit the whole plot of Mo Dao Zu Shi
Is there anyone know yaoi manga about the seme who used to be another guy's uke, before he meet the uke??
http://www.mangago.zone/read-manga/geinaru_tadaima_ire_kawarichuu/?av=2
Its a body switch thing but he uke becomes the seme in the last two chapters
you realize later that he was an uke with former bf
http://www.mangago.zone/read-manga/aniki_no_shigoki/
beware contains violence. also you will only see it at the end...
http://www.mangago.zone/read-manga/the_trigger/
so he was a male-geisha so it seems he was uke?
http://www.mangago.zone/read-manga/mede_shireru_yoru_no_junjou/
same themed. beware a dark one wiht happy ending. the prostiute was uke but with new customer he also is seme. they swithc
http://www.mangago.zone/read-manga/orchids_of_endless_nights/
Wow... what a nice cliffhanger to end season 2