Happiness Plus Twelve

Bristle grass (feat. dana kim,Jua Lee)

Happiness Plus

Wiggle-wiggle Wriggle-wriggle (feat. Jihu Um)

Happiness Plus

Morning Glory (feat. Yuju Whang)

Happiness Plus

Nanta Game (feat. Han Music Kids)

Happiness Plus

Buttonhole eyes Hippo mouth (feat. Hayeon Jang)

Happiness Plus

Autumn leaves (feat. Jueun Shin,Yuna Shin)

Happiness Plus

Wild chive (feat. Gyorin Kim)

Happiness Plus

Woodpecker House (feat. Jiu Lee)

Happiness Plus

Sunny Day Gather Gather (feat. Green Narae Angels)

Happiness Plus

My friend{]I miss you (feat. Chaeeun Lee)

Happiness Plus

Here comes Spring (feat. Yeho Kim)

Happiness Plus

Like Pine Tree and Bamboo (feat. Yeongu Choi)

Happiness Plus

Gift Box (feat. Yebit Chorus)

Happiness Plus

Shy Wave (feat. Jihui Choi)

Happiness Plus

Thought of Dad (feat. Taehui Kim)

Happiness Plus

Grandma's Garden (feat. Jeongwon Kim)

Happiness Plus

Rocking Chair (feat. Surim Choi)

Happiness Plus

It's alright{]it's alright (feat. Jeongu Shin)

Happiness Plus

Wriggle Towards Dream (feat. Taehwa Cherry Tomato Chorus)

Happiness Plus

Making Friends With Flowers (feat. Yuju Han)

Happiness Plus

Who Do You Like Better (feat. Little Han Music Kids)

Happiness Plus

Timely Rain (feat. Minjeong Kang)

Happiness Plus

Autumn leaves Ginkgo leaves (feat. Yena Kim)

Happiness Plus

Acorn (feat. Little Dodam Dadam Friends)

Happiness Plus

Flipping Paper Disks (feat. Taehwa Cherry Tomato Chorus)

Happiness Plus

Stars Are Living There (feat. Soyul Lee)

Happiness Plus

Spring Magpie Flower (feat. Hayeon Kim)

Happiness Plus

Spring Spring Spring (feat. Yunjin Jo)

Happiness Plus

Reason For Love (feat. Hana Hong)

Happiness Plus

Spring Water (feat. Icheon Seohee Chorus)

Happiness Plus