Tenshi Himura, being an elder child of the king and queen of the kingdom of Ataraxia, always wants adventure. One day, while she training with her sister Tia and her childhood friend Seth Shadowwalker and Altair Raven, they were attacked by a group of an assassin but luckily was saved by her mother who told her that she was adopted and was found as a baby. Tenshi wants to know more about her origin, she told Tenshi that she can travel to find her answer.