Asako in Ruby Shoes (2000)

U-in (Lee Jung-jae) is a public servant and bored by his job and his life. He feels lonely and is interested in a red-haired girl he meets at work. However, she isn't interested in him. He turns to the internet and even gets himself a credit card only to watch the webcam girl Asako day after day, who happens to have red hair. Slowly this starts to become an obsession and when it is announced that Asako will take her leave of webcam business he decides to visit her.