Looking for recommendations

Not flower vomiting or something but here you go
http://www.mangago.me/read-manga/tsubanakasu_haru/

It's called Hanahiki Disease
And here's a tag
http://www.mangago.me/tag/Hanahaki%20Disease/

There’s also a story with Hanahaki disease with the same author as Never Understand, though it has been cancelled due to the hanahaki disease being copyrighted.

http://www.mangago.me/home/mangatopic/3103170/