A new series in which an older sister who once wore bloomers in physical education when she was a student confesses her erotic acts at the time. For the first time, Miu-chan, 28 years old, has a waist of 56 cm and a hip of 98 cm. In physical education, she was in bloomers until the first year of junior high school, and after that she was shocked when she changed to her shoot pants. She is immersed in bloomer play while talking about the naughty acts she secretly performed during her bloomers era.
