Kaleidoscope (2001)

Mayuko Miwa, a lonely office lady whose routine consists of mechanical paperwork. Returning to her room, updating the homepage she created as a hobby and exchanging emails were her only moments of peace. Then, a shocking email arrives. Die! Die! Die! Die! Die! Die! Die! Mayuko flings her mouse and recoils. Meanwhile, Kaede, a woman who night after night provokes men with her wet eyes, seduces a man named Yosuke with flashy outfits and bewitching gestures. She proposes he kill a certain woman. The target, unbelievably, is Mayuko herself... Furthermore, the situation spirals into a series of bizarre murders, drawing in the up-and-coming photographer Murakami, who has become captivated by Mayuko's delicate beauty!?