S1, E5: Father Abel Nightroad escorts Sister Esther to Rome, where she meets Lady Caterina Sforza. While there she also meets William Walter Wordsworth, Father Havel, and Sister Noelle Bor, who all do their part to welcome her into the AX. While lost on the grounds, she encounters a young boy crying, who later turns out to be Pope Alessandro. With this being her introduction into the ways of the AX, has Sister Esther gotten herself into more than she can handle?