Meet Cancer, the young princess of Caidoz, a world that lies between Earth and space. Cancer's life consists of learning to control her kingdom and powers, and her attempts to survive the loneliness of being an only child. However, things change when a renegade man named Leo and his army threaten the kingdom and all Caidozians through declaring war. Leo claims to wish to avoid any conflicts with Caidoz, and humbly will give himself for the kingdom's own needs, if he is given the only Caidozian whom is rumored to be able to stand extreme amounts of fear, anger, and sadness among other emotions. Cancer is this person and she must fare this problem alone. Will Princess Cancer chose to marry the man who asked for a secound chance to redeem his good side? Or will she fight in a bloody war to the death?