The school uniform worn by students of Satogahama High School in Hachigatsu No Cinderella Nine.
The Summer Uniform consists of a White Shirt with Short Sleeves, a White Sailor Collar, a colored Necktie, a grey (dark blue) plaid Pleated Skirt. The most notable feature of this Serafuku is the absence of a chest part.
The Winter Uniform consists of a black Blazer, a white Collared Shirt with Long Sleeves, a colored Neck Ribbon, a grey (dark blue) plaid Pleated Skirt.
The colors of the necktie for summer uniforms and the neck ribbon for winter uniforms are as follows: blue for third-year students, yellow for second-year students, green for first-year students, and red for graduates.