Boku ni Hana no Melancholy

When Hana was a child visiting her mother' grave, she got to know a young boy named Yuzuru. He was Hana's first love. When she heard that he ended up moving away, she thought that it wouldn't be possible to see him anymore, but...?

(Source: Shoujo Hearts)

Included one-shot:
Volume 11: Yurayura, Yureru