Sako

Sako is the angel of charisma (and sometimes goes by the nickname Charisma). He is a minor deity of Idrarion. He frequently appears to Louise Gramour in prophetic visions, and is the angel responsible for gifting Sight to Virgil Gramour.

Story
Sako was entrusted with the power of Sight, and disobeyed his superiors by giving it away to Virgil. As a result, he is bound to consistenly provide prophetic visions to Virgil and his descendants, including Louise.