EP1 - Hand in Hand EP2 - One Thing You Misunderstood About Me EP3 - The Rich are Innocent, and the Poor are Guilty EP4 - Can't Help~ing EP5 - Preparing for Winter EP6 - The First Snow is Falling EP7 - To That Person EP8 - One Warm Remark EP9 - What it Means to Cross the Line EP10 - Memory EP11 - Three Prophecies EP12 - What It Means To Love Someone EP13 - Superman is Back EP14 - Don't You Worry EP15 - Between Love and Friendship EP16 - Life is an Irony (1) EP17 - Life is an Irony (2) EP18 - Goodbye, My First Love EP19 - You Did Your Very Best EP20 - Goodbye, My Youth. Goodbye, Ssangmundong.