Also according to the spoiler about crown prince : our FL will tell the crown prince that she doesn't want to be emperor , CP (crown prince) takes interest in FL from that moment!!! The experimentation on both the sisters as u have read on spoiler above is revealed by the CP to the emperor!! Emperor feels guilty as he was not able to protect his children!! CP gives his title to FL to become the emperor but FL says she doesn't want to then CP tells FL child would be the emperor then!! The end
Spoiler about Ariel the real MC of the novel :I didn't saw much abt Ariel mentioned in the spoiler but it did said that she successfully married the crown prince however her child can't become the emperor as FL child will become as u have read in spoiler above!! Other male leads will not fall for the Ariel though!!
Spoiler about who the main villain of the story is : the main villain is the empress brother who is liberta uncle!! He is a crazy bastard!! However he will meet an end as a fate of the villain
Guys this is a huge spoiler!!!! Lesian is FL and that villainess whose body FL has now mother!!! Alicia here is referring to FL when she hadn't got into villainess body!! Also as mentioned in the pic it's shows that both sisters were got experimented that is lesian brother required soul power to live so he experimented on both sisters to get it !! I was totally shocked by this spoiler!!