婚約破棄までの10日間, Kon’yaku Haki made no 10-nichikan, 10 days until the engagement is broken

Arrogant and selfish. Elena Boulder, the daughter of a notorious count, loses her memory in a freak accident shortly after her fiancé, Viscount Oscar West, breaks up with her. "Elena, there's nothing good about you. I can see that.""...It's complicated for you to sympathize with her as she is herself." Oscar is attracted to Elena, who has become a different person than she was before, but she has already decided to break off their engagement.This is the story of a girlfriend who has completely accepted her breakup, and a boyfriend who can't let go of her now, and the last 10 days of being her fiancé.