Queen's Quality manga volume 21 features story and art by Kyousuke Motomi.

Fumi continues to learn about her mother Kaede, who was consumed by her desire to exact revenge against the Suzaku. Even as the power of the White Queen whittled away her soul, Kaede managed to find some comfort with Tsubasa, and eventually with Fumi. Unfortunately, betrayal ripped away Kaede's short-lived happiness…