1. EASTER
Criteria:
1. Consist of 6 girls
2. Sings song with beat
3. 2 Lead Vocals, 2 Main Vocals, 2 Rapper 
 

2. 4IVE
Criteria: 
1. Consist of 4 girls
2. Sings song with powerful voice. Mainly at Ballad or high voice
3. 2 Lead Vocals, 1 Main Vocal, 1 Sub Vocal

3. 2IT
Criteria: 
1. Sub Group of 4IVE and Easter. 
2. Consist of 2 member that is also a member of 4IVE and Easter 
3. Will more sing in English song. But also sing in Korean, Chinese, or Japan