Emotion
Happy Ending Intro (Acoustic Version)
Emotion (Instrumental)
Need U Love U
Happy Ending (Chinese Version) [feat. 서지안]
Happy Ending (Full Version) [Instrumental]
Need U Love U (Instrumental)
Happy Ending (Korean Version) [feat. 서지안 & J-Ssoen]
Happy Ending (Japanese Version) [feat. 서지안 & 레나]
Happy Ending Intro (Acoustic Version) [Instrumental]
