Hi, this manga has been on my mind for a while but i can't remember the name no matter how hard I try. I also googled it but can't find anything.

The main character is a woman with a rose tattoo on her chest, it's something like a curse that spreads? She's a ghost hunter and works with a team dedicated to that (i think) she also only eats sweets. It has a pretty cool plot twist at the end where

[spoiler] I think the guy she likes ends up being a ghost.

Rasetsu no Hana