- Vice-Captain of the Loki Familia who now resides within the Hearth Manor. Her true identity is that of the Princess of the High Elves, daughter of the Elven King, Larfal Ljos Alf. After opening her heart to Vahn, and making a promise to work hard for the benefit of all races, Riveria ended up bearing his child. Though she struggles with the knowledge that her people are still suffering as a result of their hubris and corrupt ways, Riveria believes that her people will one day live happily amongst the other races.
- After Vahn completed the design for a magic formation to allow Elves (High Elves and Half Elves as well) to get pregnant easier and stay pregnant, he took Riveria's virginity in chapter 610, making her Vahn's twenty-first woman. She married Vahn in chapter 608, becoming Vahn's third wife. As a result of having to test the device to make sure it functions correctly, Riveria was impregnated in chapter 610 as well.
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