The lyrics are from the song "Children's Joy".

According to Kugou Music query, the lyrics of the song "Children's Happiness" are "Children's happiness is very simple and not difficult. As long as he feels happy, he will be satisfied and have fun. All he needs is to be accompanied by someone. Come play with him, children hate being alone the most."

"Children's Joy" is a children's song full of joy and vitality. Its original song is performed by Mumi Nursery Rhymes and Strawberry Sister***. Mumi's children's song, with its sweet and clear voice and infectious singing style, injects infinite vitality and charm into this song.