"Onna ga Medatte Naze Ikenai" is the 42nd single by Hello! Project unit Morning Musume. The single was released on February 10, 2010 with three limited edition releases as well as the normal edition– "A", "B" and "C"– all of which contained a different DVD. All four editions also contained a special card with a serial number on it, which was used in an event draw. The Single V was released on February 24, 2010. This is also the group's first single as an eight-member unit, since the graduation of seventh generation member Koharu Kusumi in late 2009.

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.