Shirley Kerfield is a character featured in Death Note 2 : The One Who Won. She is a young woman in her early twenties, with red hair, an athletic body and green eyes. She is described as playful, happy and a bit naive. Though she is intelligent, her emotions get in the way, especially when she is in love. She works with David to catch S-Kira and J-Kira. She observes John after he is suspected by David in being Kira.
After S-Kira manages to kill the supporters of David and isolates the group that wants to catch him. After isolated, she secretly goes to observe Sebastian, after the latter, meets with a mysterious man, she doesn't know. She follows him to a swimming pool, where the latter attacks her from behind, and stabs her to death.