Name : Shirai Mizuki
Age : 20 years old (college sophomore)
Height : 172cm
Cup size : E cup
Name : Shirai Haruka
Age : 18 years old (3rd year high school student)
Height : 155cm
Cup size : G cupName : Shirai Reiko
Age : 39 years old (housewife)
Height : 170cm
Cup Size : F cup