The 31st Consort manga volume 1 features story by Tsubasa Nanaki and art by Nanao Yamashita.

No lady wants to be chosen as the unfortunate 31st consort candidate. After all, being the lowest rank means only one chance to see the king every few months! That's perfect for Feria, though. Hailing from the far remote territory of the kingdom and uninterested in marriage, she'd much rather tend to her lovely herb garden than vie for favor! But when the inevitable visit on the 31st comes… what's to become of her “romance"?!