Yami Zokusei ni Kiraware Oujo wa, Horobi no Rensa wo Tachikiritai

Princess Eris is executed for the attempted poisoning of her sister. However, she realizes that she has been transported back in time to six months before her execution and begins to capture her captor to avoid death! But then Krawis, the Prime Minister's aide who used to be her executioner, turns out to be her escort...?