Anzu, who had come to school for summer cram school, was recalling a certain incident. Several years ago— Anzu couldn't reciprocate the feelings of her student Sasakui, and as a result, Sasakui took his own life. Although Anzu's wound had healed, she felt uneasy about the change in class atmosphere since a student named Yamamoto transferred in midway through the first semester. And during summer cram school, that unease came true. Anzu, restrained by the students, was forced to hear shocking words from Yamamoto…
