Mizuki Hinagiku is the 15 year old daughter of the family who runs the "Hekisui Shrine" in Miyamori City, a town where people worship gods. Hinagiku's crush is Kanzaki, an older, handsome man who lives in the "forbidden area" deep within the shrine. Every time she meets the kind but slightly naive Kanzaki, her heart races... But... is it really true that Kanzaki's true identity is...?!