sentences:  Director Chūsei Sone's "Sigh" (1973) was Nikkatsu's first film version of an Uno story.Like many of his novels, "Trembling" is a romantic comedy, written in the first person and narrated by a strong female lead character.This best-selling work was the first that Nikkatsu used as a basis for one of their "Roman Porno" series of mainstream softcore pornographic films.