SDDE-678 In the day of sex, in school life, the stories of regular sex.

After seven years of planning, in the midst of youth and high school girls, they've been having regular sex in their innocent school life, staying in health-care rooms, in love, in community activities, in quarrels with friends who always play together, in writings, etc., all of which are pure youth scenes, all of which sound uncognizably and uncognito.