The number of members in After School changed everytime they made a comeback.

Debuted as a 5 members group with Ah,they made their comeback earlier this year with Diva,UEE joined the team.And this time they are back with "Because Of You",the number of members now is 7,So Young left while Nana and Raina joined,5,6 to 7,that's a constant increase in terms of their number.

Hopefully they can achieve something as a 7 members team!Watch their performance here