There was a beautiful busty girl named Aima who gets interested in detective themed anime. When she was wandering around the town, she saw a bike and a car with anime decal vinyl parked on a shady shop. The shop caught her attention. She decides to look around the shop without knowing that the shop clerk is a big pervert. Looking around the stuffs that were being displayed outside the store, she found something that catches her eyes. It was a costume from the anime she watches. She gets lost in her mind fantasizing of herself becoming a detective girl. She decided to put on the costume without the manager’s permission. But she comes across with the shop clerk who’s happen to be a pervert. The guy burst with joy after seeing Aima’s breasts. Then he offered her something to get out of the trouble.