EP1 - Please, Take Good Care of Him EP2 - A Breakup Locked in a Closet EP3 - Sweet and Bitter Moments EP4 - Passing Carelessly EP5 - Restless Night EP6 - The Speed of Breakup Depends on the Person EP7 - The Door Opens EP8 - Insincere Love EP9 - Misunderstanding is Easy, But Understanding is Hard EP10 - Our Nights Shine Brighter Than the Day EP11 - You, Back Then EP12 - A Different Time EP13 - Leaving This Night In Seoul EP14 - X’s X EP15 - The Time I Thought I Had Forgotten EP16 - Farewell Caught in My Throat EP17 - A Way To Keep You With Me EP18 - A Sleepless Night, and the Rain Falls EP19 - A Summer Night of Regret EP20 - So, It's Goodbye, Then EP21 - Again, Never EP22 - The Untold Story