Oz is a girls' dating simulation visual novel moblie video game told from the prespective of Dorothy Gale as she dates male characters loosely based on the Oz series.

After the journey in the Land of Oz, the heroine had returned to her home in Kansas. Years had passed since then, and her 17th birthday was drawing closer. One evening, there was a knock at her door. She opened it and there stood three handsome strangers! ...Wait, they were actually her old mates from Oz; the Scarecrow, the Tin Woodman, and the Lion!

“Come on! Let’s celebrate your birthday in Oz!”

So excited, she headed back to the Land of Oz.

The heroine had returned to her home in Kansas after the journey in the Land of Oz. Years have passed by, and she is turning seventeen soon. One day, three attractive guys show up at her house. Those guys are actually her friends from the Land of Oz, who went on the journey with her; the Lion, the Scarecrow and the Tin Woodman. “Let’s celebrate your birthday in Oz!” Excited by the invitation, she heads to the Land of Oz. At her arrival, she is put on the spot to choose a romantic partner. Her decision would change the future of the world. What will she choose to do and what will the future awaiting them be like?