"Maji Desu ka Ska!" is the 45th single of the Japanese group Morning Musume, released on April 6, 2011 on the Zetima record label. The single sold 33,698 copies in its first week, charting at #5 on the weekly Oricon singles charts and peaking at #7 on the Japan Billboard Hot 100.

Morning Musume '24 , formerly and commonly known as Morning Musume and colloquially referred to as Momusu , is a Japanese girl group, holding the second highest overall single sales on the Oricon charts as of February 2012, with the Oricon record of most top-ten singles, having 64 of them.