Reiko Asakawa is a fictional character from the Japanese horror film series Ringu, which is based on the novel by Koji Suzuki. She is a journalist who investigates a mysterious videotape that causes viewers to die seven days after watching it. Reiko is portrayed as determined and resourceful, seeking to uncover the truth behind the curse. In the story, Reiko's investigation leads her to uncover dark secrets and confront supernatural elements. Her character is central to the plot, as she tries to save herself and her loved ones from the deadly consequences of the cursed tape. Reiko's journey highlights themes of fear, loss, and the quest for knowledge.