"Nanchatte Ren'ai" is the 40th single release by the Japanese pop girl group Morning Musume. It was released on August 12, 2009 in four versions: regular edition, a 40th single commemorative, and two limited edition versions. The limited editions each contain a different DVD with one of the PVs on it — as well as these, "Nanchatte Ren'ai " and "Making of" were included on the Eizō The Morning Musume 4: Single M Clips DVD.

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.