@Kat E
Authors have several option when choosing a organisation as villains. Like imperial family, magic tower, dark mage groups, demon worshipper, a high ranking noble organisation, merchant group, mysterious group or church. Depending on which group the protagonist are part of, villains are chosen. So, in this manhwa FL and ML are of imperial family group. So, choosing church was best option for author in this manhwa cause that bítch sister of FL was awakened as a saint in FL past life.
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