 In her pre-Nikkatsu career, she appeared in comedies, dramas, and action films, but it was the S&M genre which would make Tani a star.Her debut film was "Special" (スペシャル - "Supesharu") for Shin Nihon Eigasha and directed by the prolific "pink film" auteur Kōji Seki.The film had Tani in the role of the mistress of a black marketeer who tries to cheat people at an "onsen".