"Usavich" is a short-form anime series set in a Russian prison, blending dark humor, surrealism, and slapstick comedy. The narrative revolves around two anthropomorphic rabbits, Kirenenko and Putyatina, who share a cell. Kirenenko, a former Russian soldier, is stoic and resourceful, often devising elaborate plans to escape or improve their living conditions. Putyatina, his cellmate, is more naive and childlike, frequently causing chaos unintentionally. Their dynamic is central to the series, with Kirenenko often exasperated by Putyatina's antics but ultimately protective of him.

The plot unfolds episodically, with each short episode presenting a self-contained scenario. The rabbits face various challenges, from dealing with harsh prison conditions to outsmarting the prison guards, particularly the warden, who is a recurring antagonist. The warden is portrayed as corrupt and inept, often becoming the target of Kirenenko's schemes. Despite the grim setting, the tone remains lighthearted, with exaggerated physical comedy and absurd situations.

The series incorporates elements of Russian culture and history, with references to Soviet-era iconography, politics, and folklore. These cultural nods add depth to the setting and humor, though the focus remains on the rabbits' misadventures. The prison itself is depicted as a bleak, oppressive environment, but the rabbits' resilience and creativity provide a counterbalance, highlighting themes of survival and camaraderie.

Other characters include fellow inmates and prison staff, who occasionally play significant roles in the rabbits' escapades. The interactions between Kirenenko, Putyatina, and these secondary characters drive much of the humor and tension. The series' brevity and minimalist dialogue rely heavily on visual storytelling, with exaggerated expressions and actions conveying much of the narrative.

"Usavich" stands out for its unique blend of dark humor, cultural references, and surreal visuals, offering a distinct take on the prison genre. Its episodic structure and concise format make it accessible, while the recurring themes of friendship and perseverance provide a cohesive thread throughout the series.