Morning Musume '14 Birthday Event 2014 "Sayashi Riho & Sato Masaki" (モーニング娘。'14 バースデーイベント2014"鞘師里保＆佐藤優樹") is a DVD featuring the birthday events of Morning Musume '14 members Sayashi Riho and Sato Masaki, which both occurred during the month of May. The deadline to pre-order the DVD is on July 28, 2014 and is for Fanclub members only.