"Don't Make Promise's You Don't Intend To Keep" Hotaru Takahashi was a kind of woman that every man would dream to have because not only is she beautiful and smart she was also the heir of Takahashi Clan daughter of the great Kaito and Megumi Takahashi that is well respected not only in business but also in the world of medicine. She was considered perfect by the people around her but what if she met a man full of hatered towards the people around him will she successfully change him and his belief for the better or she will exchange.