Given these components, it seems you're inquiring about a specific type of anime, manga, or possibly a literary work that involves Russian characters, possibly sisters, and has certain themes associated with it.
First, let's break down the components of the term: muttsuri dosukebe rusia gibo shimai no honshits work
: Portrayed as the diligent, repressed "honor student" of the family. Given these components, it seems you're inquiring about
This inquiry appears to refer to a specific, likely niche, work of adult-oriented Japanese fiction (such as a light novel, manga, or visual novel) featuring the themes of "Muttsuri Dosukebe" (a character type who seems calm or perverted on the inside), Russian characters, and step-sisters ("Gibo Shimai"). Given these components