The main character is a night security guard. One day, a thunderbolt strikes the shop he works and four mannequin dolls start moving! They can move only during nighttime, but they want to enjoy going out. "We'll be able to move longer if we are struck by something like thunderbolt again?" "It's easy. Let's just have sex..." Like this, his sex life with four pretty girls starts...

[From ErogeShop]