Mari Nonaka, a third-year student, appears quiet at first glance but is a target of bullying. Today, she is called out by Kiyoko and Setsu again and subjected to further harassment. However, Mari secretly works part-time at a snack bar, earning pocket money by spending the night with regular customers. When a regular customer asks her to introduce him to a girl, Mari devises a plan and approaches Kiyoko and Setsu…