Wagnaria!!

The Two of Them Back Then, Yachiyo and Satou. Also, Welcome to the Takanashi Family (1x11)

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Yamada tells a scary ghost story at the end of work and Mahiru is to scared to go home where she would be by herself. Takanashi invites her over to spend the night at his house, Yamada follows them there, claiming to be too scared even though she was the one who told the story in the first place.