, titled Swastika in English, is a 1964 Japanese drama film directed by Yasuzo Masumura, starring Ayako Wakao and Kyà Âko Kishida. The screenplay written by Kaneto Shindà  is based on the 1928 novel Quicksand by Jun'ichirà  Tanizaki. The theme of sexual excess includes homosexuality between women.
The 1964 release of Manji is the first film adaptation of the novel. It was followed by four additional film versions, in 1983, 1998, 2006, and 2023.
Sonoko, a bored married woman, falls for a fellow art student, the young and beautiful Mitsuko. The relationship develops and starts to affect and involve their partners.