A series in which an older sister who once wore bloomers when she was a student confesses her erotic acts at the time. This time, Momo-chan, a beautiful sister with I cup breasts. In her class, she wore bloomers until the third grade of elementary school, and even wore bloomers in the volleyball club in junior high school. While wearing such bloomers, she immerses herself in bloomers play while talking about the naughty acts she was secretly doing.
