I'm Not Even Serious Yet - S1.E5

Feeling a bit isolated in school, Sasami gets Kagami to be friends with her in order to attract more friends. However, Kagami doesn't seem particularly interested since most of Sasami's suggested activities are unneccessary for her as a robot. Later that night, Sasami finds Kagami in a bloodied state, though she still refuses to be open with her. She becomes upset when she sees Kagami allegedly making some other friends, but cheers up after spending some time playing with Tama, who assures her that Kagami appreciates her friendship. Sasami soon comes to realise that the Myriad Gods are attacking Kagami out of jealousy for being chosen by Sasami to be her friend. After catching up to Kagami after she destroying all the gods inhabiting the school, she learns the girls she saw Kagami hang out were possessed by gods which she purified. Sasami apologises and asks Kagami to become her earnest friend, which she graciously accepts.