Mia!

so you are Momoko and you have 4 friends and you all are jpop idols and the other names are Yumi and Mia and Hinako and you all are japanese and you are 9 and Mia is 9 and you two like each other and Mia is a ex member in the group but she come to back to the group in 2025 and Yumi is 11 she is the oldest and hinako is 10 and Hinako and Yumi are best friends!!