Bound by an unbreakable promise, Lu and Ika pledge to remain inseparable. But as they step into the opulent world of the Prussian court through their marriages, their oath faces a formidable trial.
Overview：Bound by an unbreakable promise, Lu and Ika pledge to remain inseparable. But as they step into the opulent world of the Prussian court through their marriages, their oath faces a formidable trial.
