Formerly, the Fallen Daughter of the Duke manga volume 5 features story by Saki Ichibu and art by Ushio Shirotori.

Now in her fifteen-year-old body, Claire has returned to Paffuto, this time as an actual noblewoman with special treatment, courtesy of her ex-fiancé Prince Asbert. She's reunited with Prince Vik, Lui, and the others, but she's forced to keep the secrets of their former lives from them. When it's revealed that Prince Vik has an older brother in this timeline, Claire begins to wonder what happened in the year before she met him originally…

Could his brother have been banished? Is Prince Vik in danger? What could he have been hiding from her, even when they were engaged?