From Stage Storm:
Akiko's mother dies and her daughter doesn't believe it's a suicide like everyone says. Everything started when Akiko found that black lily in the garden and her mother ordered her to pull it away immediately.
At the funeral, no relatives of the woman's showed up. Only a misterious old woman who seems to know something about the black lilies. Akiko is determined to learn more about her mother's past despite the woman's warnings...

Includes a oneshot, Dorobou Cinderella.