Okay I got really into this, and spent the last few days binging the LN, including volumes 7 and 8.
I don't think it's too much of a spoiler to say: 6.5 volumes later, she still hasn't found peace, but she has left a looooong trail of blood behind her.
I just discovered this today after reading the 24 hour RTA Villainess manga. What a fantastic read, and what a stroke of luck that I discovered this series 9 days after it completed. Love being able to read the entire thing at once!
Thanks for the translation!
Has the manga explained yet why Tsukasa had to leave for 5 months? I re-read chapters 35 and 36 after reading 37 and couldn't find an answer.