AOA�released a cute poster for their very first photo book, 'Hot Summer.' �The girls are wearing refreshing dresses or shorts to take in the summer breeze and the cool ocean waves of Jeju Island.

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The pre-sale for this 108-page photo book began on July 10 and will be available for everyone on July 24. �Make your purchase so you can see the sweet faces of AOA having fun on the beach, enjoying the morning right after a good night's rest, and more!