Responses
Just a couple examples (there are many more, but my memory is not the best), one with the seme opening the condom wrapper and one with the uke:
http://www.mangago.zone/read-manga/jackass_sawatte_ii_tte_dare_ga_itta_yo/mi/a491f2ccbc0ed595c6b47602eae6baa1_chapter-6/42/
http://www.mangago.zone/read-manga/hidoku_shinaide/tr/sa-c005/pg-17/
Enjoy!!

I'm almost certain that it's the first time I see a condom (+ condom wrapper !) being mentioned in a yaoi ! (For some reason, it stood out to me... ╮( ̄▽ ̄)╭ )