any yaoi manga with choking kink????

Maybe you can try this tag:
http://www.mangago.zone/tag/choking/
This one definitely comes to mind:
http://www.mangago.zone/read-manga/amaeru_kubiwa/

And this tag as well:
http://www.mangago.zone/tag/strangulation/?page=1

And maybe this manga as well:
http://www.mangago.zone/read-manga/yoru_wa_tomodachi/

Okay... I'll stop now.

http://www.mangago.zone/read-manga/tiger_bunny_dj_kousoku_kairaku/ <--but the uke dies from chocking

choking*