One day a letter from her brother said he was in love with another man's woman. She replied, provoking him to be a man and claim the woman as his. Two months later, a beautiful young man named Richard, claiming to be a messenger from her twin brother Fred, visits and tells her "I've come for you." When the bewildered Mireille resists, he proceeds to kidnap her! She learns that Fred has run and eloped with the crown prince's fiance and now, it is now her responsibility to impersonate Fred who was the former Count of Bernhardt!

    Our protagonist lives a closed off life but not a NEET's life. He trains everyday until finally he was ready. Killing his father he made sure that his mother who divorced was paid back for what his father did to them all. Walking away to who knows where and dying from an accident. Now follow the daily life of our MC as she tries to adapt to her new life in a new body and in a unique world. (This is not a translation. This is original in English)