숨소리 Breath (with TAEYEON & JONGHYUN)

Dear...

내 욕심이 많았다 Blind (with YESUNG)

Set Me Free (with TAEYEON)

하루 A Day Without You (with JONGHYUN & CHEN)

좋았던 건, 아팠던 건 When I Was... When U Were... (with CHEN & KRYSTAL)

Breath (with MAX & KRYSTAL) (Japanese Version)

僕のせいだよ Blind (with YESUNG) (Japanese Version)

呼吸 Breath (with CHEN & Zhang Li Yin) (Chinese Version)

太贪心 Blind (with ZHOUMI) (Chinese Version)