Question: The AV Idol named Chihiro Hasegawa is most commonly associated with which industry?
Sentence (from "AV idol"): An AV idol (adult video idol; AV actress (AV女優 , Ēbui joyū ) ) is a Japanese idol who works in the pornographic business, often both as an actress as well as a model as the video performances have a wide range, from just the idol strolling around their house doing chores in bikinis to hardcore porn.
Relevant evidence: Yes