Ryo's parents passed away in accident, and he was adopted by Madoka. Ten years have passed since then. One day, Madoka goes missing due to too much debt. When Ryo is at a loss what to do, a maid comes to his house and takes him to a big house, located deep in the mountain. Akie, who lives there, welcomes him. He is attracted by her voluptuous body. He starts to work as a servant....
