The combined names of the four little sisters

The group name can be called "girlfriends group" and "quartet".

Girlfriend group: This group name conveys the intimate friendship between the four little sisters, emphasizing tacit understanding and unity. Simple and clear, easy to understand, and warm.

Quartet: This group compares four little sisters to a quartet in music. Everyone has their own role and unique timbre, but when they play together, they can create a wonderful melody.