N.FLYING is a band formed by FNC Entertainment in 2013. The band currently consists of four members: Seunghyub, Hun, Jaehyun, and Hweseung. On October 1, they released their first indie single album titled Basket and performed as the opening act at F.T. Island's “Replay” Zepp tour. The band made their Korean debut on May 20, 2015 with a single album and its lead single "Awesome." Former Produce 101 Season 2 contestant Yoo Hweseung joined the group with the release of their second mini album THE REAL: N.Flying and the title track "The Real." On January 2, 2019, N.Flying made a comeback as a four-member band with title track "Rooftop." "Rooftop" slowly gained popularity then went on to hit number one on all major Korean music charts and topped Gaon's weekly digital chart for two consecutive weeks and its monthly digital chart for March. On April 24, 2019, N.Flying made a comeback with EP Spring Memories and title track of the same name.