11화: 간호실을 다녀온 오타오, 복도에서 젖은 수건을 발견하다
2016년 3월 18일 방영
Otao is in the nurse’s office due to anemia. Feeling better, he tries to go back to class but decides to take a detour to the deserted hallway. While walking in the quiet hallway, he discovers wet towels on the floor.. (Source: Crunchyroll)