While there isn't a widely known public figure or brand by that specific name in current major databases, "Sama" is a Japanese honorific often used in anime, manga, or gaming communities.
The blog also includes shout-outs to other creators, such as "Lustcageclub," a NSFW illustration project that features characters from Toffi's Princess of the Ring 2 . This confirms the adult nature of the content and highlights how Toffi supports other artists within the same creative niche. toffi sama