Katya | Ekaterina Nechayeva

Katya is intelligent, determined, and emotionally complex. Beneath her composed exterior, she carries deep feelings and a strong will. Her relationship with Sergey Nechaev (P-3) is central to the story—they are husband and wife, though much of this is initially hidden from him. As the truth unfolds, it becomes clear that Katya genuinely cares for P-3 and plays a key role in his past and identity. Their relationship mixes love, tragedy, and manipulation.

Appearance: Ekaterina Nechaeva (Katya) appears through the elegant and unsettling form of the Twin robots. The Twins have smooth, silver-metal bodies with a highly stylized, almost human-like feminine design, completely blank faces and no mouths or eyes. Their movements are fluid and precise, giving them a graceful but eerie presence. When Katya inhabits them, this cold, mechanical exterior contrasts with the human consciousness inside, making the Twins feel both lifeless and strangely alive at the same time.