The first ending (이별은 처음이라서)

The Sweet Escape Gwen Stefani, Akon Lush Life Zara Larsson Style Taylor Swift Telephone - Cover of Lady Gaga feat Beyoncé Glee Cast Last Friday Night (T.G.I.F.) Katy Perry no tears left to cry Ariana Grande Toxic Britney Spears thank u, next Ariana Grande Maneater Nelly Furtado Espresso Sabrina Carpenter Sign of the Times Harry Styles Locked out of Heaven Bruno Mars Judas Lady Gaga All The Things She Said t.A.T.u. Oops!...I Did It Again Britney Spears Pink Pony Club Chappell Roan Teenage Dream Katy Perry Love You Like A Love Song Selena Gomez & The Scene The One That Got Away Katy Perry Paparazzi Lady Gaga The Sweet Escape Gwen Stefani, Akon Lush Life Zara Larsson Style Taylor Swift Telephone - Cover of Lady Gaga feat Beyoncé Glee Cast Last Friday Night (T.G.I.F.) Katy Perry no tears left to cry Ariana Grande Toxic Britney Spears thank u, next Ariana Grande Maneater Nelly Furtado Espresso Sabrina Carpenter Sign of the Times Harry Styles Locked out of Heaven Bruno Mars Judas Lady Gaga All The Things She Said t.A.T.u. Oops!...I Did It Again Britney Spears Pink Pony Club Chappell Roan Teenage Dream Katy Perry Love You Like A Love Song Selena Gomez & The Scene The One That Got Away Katy Perry Paparazzi Lady Gaga