As an old-fashioned elite private school, Tsukinomori Girls' School offers many quality courses aimed at improving students' self-cultivation, with theology and religious studies naturally among them.
Although the material taught is relatively superficial, it at least allows the students to understand the essence of religion... or rather, it slightly fends off the perverse, controlling desires of the religious zealot parents, making it a bit harder for the young girls to smoothly tread the path of becoming little cultists under their families' subtle influence.
Miki Kashiwagi had no idea what was going on in the Wakaba Family, but judging by Mortis's current behavior, the latter scenario was the most likely case. Otherwise, given Mortis's desperate and cornered mindset, she probably wouldn't have bothered calling upon the Lord Jesus for help.
Chapter 258