A bouquet of pink flowers

You close your eyes. (feat. Hwang Min-hyuk)

가을 물이 들었네 (feat. 맑은소리중창단)

갯벌의 봄 (feat. 김지혜)

On a whale (feat. Park Da Som)

고이고이 담아서 (feat. 정지윤)

그런 안경 없나요 (feat. 박민서)

Along the flowery path (feat. Eom Yu Hyeon)

Petal Letter Invitation (feat. Sea Stars Choir)

A flower bed day (feat. Choi Yeon Woo)

Dreaming Winter Tree (feat. JUNG YE JIN)

꿈나라 여행 (feat. 박라온)

Play with me. (feat. Blue Star Kids)

Like a navigation. (feat. Lee Jimin)

Singing is fun. (feat. Jeong Se Bin)

Sea of Singing (feat. Bae Eun Yoo)

My house (feat. Shore Caleesi & Shore Gi-A)

Woodpecker carpenter. (feat. Happy Kids)

Bicycle to the sea (feat. Blue Star Vocal Ensemble)

A bouquet of pink flowers (feat. Jang Woo Seo)

A love flower (feat. Park So Yul)

산새들의 겨울나기 (feat. 김소은)

A tricircular paper boat (feat. Jin Da Hye)

Sprouts (feat. Lee Ha Yoon)

수련 (feat. 이예음)

슬도 (feat. 권은솔)

Baby Fish (feat. Han Ji Hoo)

어쩜 좋아 (feat. 박시아)

What should we eat? (feat. Gioielli Choir)

My family's secret love. (feat. Lee Hyun-Min)

Long-legged flower (feat. Choi Sung Joo)

King of Waves (feat. Oh Yoon Seo)

For us, hope (feat. Yun Ye Seo)

Circle (feat. Blue star Vocal Ensemble)

팽이치기 (feat. 박민주)