Equa commands the Escape Shop Extractors, a mercenary group specializing in liberating clients from their confined walled communities, known as clusters. She orchestrates complex escape operations, strategizing missions and managing her team's dynamics.

Outside extraction duties, Equa maintains a civilian cover as a student within Ochanomizu cluster and operates Cafe Vostok, reinforcing her presence in the community.

She possesses the unique ability Fatal Luck, granting limited precognition to see seconds into the future. Equa leverages this power during missions to anticipate threats, plot escape routes, and coordinate her team under pressure.

Her character reveals deeper layers through her inventive methods, like creating a "runaway dance" symbolizing hope for escapees, and exploration of her origins and motivations. A pivotal moment occurs when she undertakes a high-risk mission to extract their manager, Mr. M, from Oedo Castle, spurred by discovering his desire to flee the city system.

Her leadership and reliance on the team are tested after Feles, a key member, is injured. Martes confronts Equa in anger over Feles leaving without intervention, forcing Equa to acknowledge her dependence on the whole team. She seeks out Feles, explicitly stating Mr. M's rescue is impossible without her, marking a shift towards openness about vulnerability and teamwork's importance.

Her development culminates in leading the team on their most challenging assignment: infiltrating Oedo Castle to extract Mr. M, cementing her dedication to freeing others from the oppressive clusters.