Volume One: Historical scholar Chihiro Ogino stumbles into the Spirit World a decade later to discover alot has changed: Haku's the powerful head of the bathhouse. Allured by the charm of the Spirit World, Chihiro makes a deal with Haku to study under his care for 6 months. The two fall in love, but in a world as alluring as it is dangerous, will the path of water always be smooth?