E-Rank Healer

A brief description of the E-Rank Healer manga:

A healer named Carol has the rank of E. Even adventurers consider her the weakest. “I’ve been told that I’m the most useless, but I’ve worked hard to create new medicines for my friends! But I was kicked out of the group anyway! I don’t have any money to go home with, and I have nothing to do in this strange town…” Carol suddenly meets a dead crook named Kaido. She treated him with a handmade cure. It turned out that the created cure was of the highest quality…