!, is a 1978 Japanese film in the "violent pink" style of Nikkatsu's Roman Porno series, directed by Yasuharu Hasebe and starring Asami Ogawa and Yōko Azusa.
The criminal is neither caught nor identified at the end of the film, leaving the policewoman's feelings of terror and desire for vengeance unresolved.
[2][3] The film's ending, in which the attacker's identity remains a mystery, has generated the most polarizing comment from critics.
Of the attacker never being revealed, Allmovie comments, "The ending feels a bit like a cheat to those viewers attempting to guess the rapist's identity, but the film holds together as a solid thriller nonetheless".
[1] It was released on DVD in Japan on March 24, 2006, as part of Geneon's third wave of Nikkatsu Roman Porno series.