http://www.mangago.me/home/mangalist/341/?filter=&page=2
Last one in the list koi no katachi. Can't remember if it was heart disease but he had a disease and the seme didn't know
Spoiler
the ending isn't cute
http://www.mangago.me/home/mangalist/341/?filter=&page=2
Last one in the list
Ignore the first reply T_T
14 years where I loved you the most (the uke doesn't has a heart disease but has cancer and seme don't know), tragic end.
can you suggest me some yaoi that uke has heart disease but seme dont know until uke collapse.
thank in advance!