Olga (オルガ?) is the Eternian high priestess and a childhood friend of Dana Iclucia and Sarai.

She's a hard worker that is tough on herself and those around her. While she does often make cautious remarks towards Dana who always finds ways to get in trouble, she has acknowledged Dana's rich imagination and decisiveness since they were kids. Olga may have a different way of thinking and living compared to Dana, but has always protected her friend since they were children and continued doing so even as they grew older.

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