Summary:

Little Bella, a war orphan who once trusted for survival; grows up carrying an abandonment wound. It’s a life without purpose, she’s the unseen, unheard, and a war slave. Kiris embraces Bella, a girl he once abandoned, now has been forgotten. Maybe it is too late when he’d found her again.  Will she get over past hurts and believe in love again, when there is too much damage done?

Resources:

https://www.anime-planet.com/manga/on-the-emperors-lap
https://www.netcomics.com/comic/ontheemperorslap