In order to become the battle shrine maiden to defeat the raging god Yusemi, the living god Koharu has been raised in Isshinden Temple. She was promised that she may leave the temple once she became a fully-fledged god. However, she runs away, wanting to see boys. She encounters Yajuro, a serious boy who practices kendo, and his cousin Haruchika. Along with Yatsutose, who came to search for Koharu, they fight Yusemi. Koharu finds out who her enemies are, as well as the secret of her birth. She eventually finds out who she really needs to destroy, the true enemies.