第 4 集: Aono和Koyori在醫院中維繫友誼，Yorito則分享洋娃娃的秘密。

4

This episode mainly focuses on the friendship between Yorito's sister Aono and Mana';s little sister Koyori, both of whom are staying at the hospital. Koyori, who is to be released soon, has trouble conferring this news to Aono. The relationship between Yorito and his sister is also explored, as more information about the dolls he brings her is revealed. (Source: Wikipedia)