Masaya Sano is a Japanese entertainer known primarily as a member of the idol group Ae! group under the agency STARTO ENTERTAINMENT. In the field of voice acting, he made his debut with a leading role in a major anime film.

Sano voices the protagonist Giuseppe in the anime film The Obsessed, which is based on Shinji Ishii's novel Toritsukareotoko. The film, a musical anime released in November 2025, tells the story of a young man known as the Obsessed Man who falls in love at first sight with a balloon seller named Pechka. As Giuseppe, Sano performs several songs for the film, including the theme song Fanfare and its in-movie version, Fanfare ~Koi ni Ukarete~, which he sings alongside his co-star Moka Kamishiraishi, who voices the heroine Pechka.

Prior to this role, Sano had no other known anime voice acting credits. His professional career is predominantly in live-action television and film. He has appeared in dramas such as Dr. Ashura, where he played the intern Tamotsu Yakushiji, and Rikon Koya, as well as movies like 20-Year-Old Soul and Tomorrow in the Finder. His role as Giuseppe in The Obsessed marks his entry into voice acting and stands as his primary achievement in that specific field.