- Voice Actor (CV)
- Natsumi Fujiwara
- Role
- Supporting
- Identity
- A civilian from the Republic of Balberde who serves as the de facto maternal figure for her eight younger siblings, and a former peace activist who once worked alongside Yukine Chris's parents
Personality
Impulsive and straightforward (can't even wait for instant noodles)
Deeply responsible
Fiercely protective of family
Unbreakable willpower
Sonia Virena hails from the war-torn Republic of Balberde, where she once stood side by side with Yukine Chris's parents in their shared pursuit of peace—a bond that led Chris to regard her as an older sister figure. Their reunion in Season 4 is bittersweet, overshadowed by the injury of Sonia's younger brother Stefan amid the ongoing conflict. With no parents to rely on, Sonia shoulders the immense responsibility of raising eight siblings on her own, embodying resilience and unwavering devotion in the face of chaos.