Larisa is a Russian noblewoman who emerges as central to a romantic conflict. The Russian Revolution strips her of status, wealth, and her husband, Count Sasha Mikhailov, reducing her to a fallen princess seeking refuge.

In Siberia, she encounters Shinobu Ijuin, suffering trauma-induced amnesia after military service in Manchuria. Noticing his striking resemblance to her deceased husband, she takes him in. Upon relocating to Japan, she presents Shinobu as her husband. This resemblance stems from Shinobu and Sasha being half-brothers sharing the same mother.

Larisa embodies traditional femininity and fragility, contrasting sharply with Benio Hanamura's tomboyish assertiveness. Her unresolved grief fuels her attachment to Shinobu; she channels her sorrow into his presence, viewing him solely as a substitute for Sasha, creating a one-sided dynamic. Her arrival introduces significant tension when Benio discovers Shinobu alive yet bound to Larisa by obligation and lost memories.

Her storyline culminates during the Great Kantō earthquake. Amidst the chaos, a falling chandelier threatens Shinobu. Larisa intervenes, pushing him to safety but sustaining fatal injuries. In her dying moments, she explicitly releases Shinobu from any perceived obligation, urging him to reunite with Benio and find happiness. This sacrifice resolves the love triangle while cementing her tragic trajectory motivated by love and loss.

Primarily functioning as an obstacle to the central romance, she is portrayed sympathetically, emphasizing her victimhood amid historical upheavals and her selfless final act.