Chikahito, a shy high school student, stumbles into a mystical realm where he meets Hana and her people, who fight supernatural creatures to keep them from invading our world.

"Trying to raise a small army to fight against a reincarnated military tyrant, Hana and the members of her strange Ura-shichiken squad come together to protect humanity in present-day Kyoto. Using their mystical dominion over the elements, the colorful crew faces a torrent of hostile invaders as they try to pinpoint their elusive enemy and entice more allies to their side. Chikahito, a seemingly ordinary teenager, has been accepted into Hana's group...