In the comments the author notes that they had to make up the colors of the outfits (chapters are in black and white), and that blue is the color of the Virgin Mary. They also gave Asuka a not-as-subtle middle age-style halo.
Tomoko and Katou visit a Christian missionary university in Japan. Between the events of the chapter and its setting Tomoko ends up comparing Katou to the Christian saint.
last edited at Aug 27, 2018 12:37PM