From what I got from this chapter, the vial duroa had drunk in earlier chapters to recover her memory was actually a potion to manipulate her memories. She was wondering when/why she started feeling worse towards the ML. She checked the book on potions, found out that the one she drunk was the wrong one, she wonders which memories have changed. Then, she finds out that it's too late to catch the one who gave it to her butler and then chaos happened.....
From what I got from this chapter, the vial duroa had drunk in earlier chapters to recover her memory was actually a potion to manipulate her memories. She was wondering when/why she started feeling worse towards the ML. She checked the book on potions, found out that the one she drunk was the wrong one, she wonders which memories have changed. Then, she finds out that it's too late to catch the one who gave it to her butler and then chaos happened.....