After her mother took the blame for a tragic fire 13 years ago, Anzu plots revenge by working as a housekeeper under a pseudonym for her icy stepmother.

The seven secretaries who consist of the "Shadow Army" enjoy peaceful days. They receive a new request from Koichi Ogata, who runs a ramen restaurant in Nagano prefecture. He is furious at land development that is carried out by Alps Raicho Group. The Alps Raicho Group and their Alps Raicho Resort are run by the Tsukumo family. That family exerts tremendous influence around the region. The Tsukumo family seem like a well mannered family, but, in reality, they are a vicious family who will do anything for their own interests.

During his sleep, Shinnosuke enters a fantasy world where he could find all his favorite things, starting from chocolates, cakes and candies to young and beautiful girls in voluptuous and salacious clothes. But it soon turns out to be a nightmare world where Shinnosuke, his friends and family get trapped and are unable to escape. They also meet a mysterious girl named Saki who is somehow connected to these dreams. Now it is up to Shinnosuke and the Kasukabe Defense Group to save their dreams and escape from the nightmare world.