第 4 集: 忍因感冒缺席，而陽子在鞋盒中發現了一封神秘的信件。
2013年7月27日 播出
Shinobu stays home from school with a cold. While her friends at school are worrying about her, Yoko suddenly runs up and informs the group she found a letter in her shoe box. (Source: Crunchyroll)
Shinobu stays home from school with a cold. While her friends at school are worrying about her, Yoko suddenly runs up and informs the group she found a letter in her shoe box. (Source: Crunchyroll)