While Ayumi stays at home to recover, the student council learns of a student with a collapse ability in the condo complex, and Nao suspects that Ayumi has developed said ability, as only a sick student would be home from school at that time of day. Ayumi is visited by Yuu, Nao, and Yusa for dinner and is tucked into bed at night. After Yuu learns that Ayumi dreamed about the ground suddenly cracking, a worried Nao instructs Yuu to tell Ayumi to stay home one more day...