Konyaku Haki no Juubun Mae ni, Zense wo Omoidashimashita

Lilia regained her memories from her previous life just before her engagement was called off, and she recalls being reincarnated as a villainess and the evil things she did. After reflecting on her previous actions as Lilia, she decided not to cause any more trouble, so she agreed to end her engagement to Eric, the duke's son. ...But something strange is going on with Sir Eric. Meanwhile, Eric is becoming more and more attracted to Lilia, whose personality has changed since their engagement was called off! This is a sweet high school romantic comedy that begins with a broken engagement and ends with both parties falling in love!