
The actual spoilers are
Lipe’s family has a treasure of some sort, it’s a cup that grants wishes but only in a dire situation. The emperor wants to use it to become powerful and rich. He thinks that lippe and her family knows about it and is keeping it a secret so he kills them off one by one. But lippe obvi changes it, she has magical powers and fights them blah blah, she becomes a singer and has the white haired boy as her pianist, they travel to places and ye I’m not sure if they have children forgot abt that.

spoiler
yeah basically the rustichel family has long inherited a magic cup. to draw it out, the emperor does shit to mess up their emotional stability. the reason why lippe went back in time is because of the emperor. he believes doing all that to lippe could get the cup considering all the trauma she experienced.
the true heir to the throne is actually asterias. the emperor is like his uncle (?) who killed his dad which is why he ascended the throne.
SPOILEEER!
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I don't know the details yet, but i saw on novelupdates that the Imperial Family is behind of Calliope's family murder.
Something to do with the her dad being the commander of the white order of the knights and a Noble of great honor and big militar influence, and that is a threat to the royal family, but i don't recall why, neither do i know how Lippe will fight an enemy with this much power... Let's see