Congratulations on your first admission, Seri-chan (Celebration). Soon Seri-chan will become a ○th grader. Today, you and your mother came to the school-designated uniform store. It's for getting measured for a new uniform. However, the cute Seri-chan aroused the desire of an old man employee, who subjected her to mischief under the guise of measurement. Furthermore, his actions escalated, and he took away her 'virginity' that was supposed to be given to her boyfriend…
