Contents 우리는 영웅이 될 수 있을까(Can We Be Heroes)/ Music Video / A Christmas Tale/ Music Video / LiFE/ Full Audio / LiFE/ Full Music Video / 가자, 내일로 [OP] X 이야기는 끝나지 않아 [ED] / Music Video / 회상(回想) Series Collection/ Series Audio / 다 기억할게(I'll Remember It All)/ Music Video / 동행(同行) Series Collection/ Series Audio / 날 채워줘(Fill Me Up)/ Music Video / 우리 둘이서(Two Of Us)/ Music Video / 인연(因緣) Series Collection/ Series Audio / 물러서지 마(Don't Be Shy)/ Music Video / 여기가 끝인 거야(The End)/ Music Video / 마주할게 너를(I'll Face You)/ Music Video / 성장(成長) Series Collection/ Series Audio / 고맙다고 남길게(Last Words)/ Music Video / 날 지켜봐줘(Stay Tuned)/ Music Video / 이미 나는 행복해(I'm Already Happy)/ Music Video / 손을 내밀어 줘(Hold My Hand)/ Music Video / 手を出して(Hold My Hand JPN ver.)/ Music Video /
