As the first first sister there is Ichika who would like to become a Superstar and has pink hair then there is Nino who has red hair and has the character of a Tsundere and they all have light blue hair and butterfly-shaped hair clips Miku who always wears headphones then there is Yotsuba who wears a and a Headband that tied in the hair bun Itsuki  has light red hair who also wears star-shaped hair clips then there is Fuutarou who is your best friend since childhood and also the girls' teacher.