S/mileage ・Nakanishi Kana Birthday Event 2013, S/mileage ・Wada Ayaka Birthday Event 2013 (スマイレージ・中西香菜バースデーイベント 2013, スマイレージ・和田彩花バースデーイベント 2013) is a DVD featuring the birthday events of S/mileage member's Nakanishi Kana and Wada Ayaka. The DVD was sold only to Hello! Project Fanclub members and had a deadline to pre-order it by September 27, 2013. It was released to Hello! Project fanclub on November 26, 2013.