Yumiko Imagawa, codenamed Hibana, is a skilled operator in Tom Clancy's Rainbow Six Siege. She is a part of the SAT (Special Assault Team) from Japan. Known for her expertise in infiltration and explosive devices, Hibana uses her unique gadget, the X-KAIROS, which fires explosive pellets capable of breaching reinforced walls and hatches. Her strategic role in the series is to disrupt enemy defenses and create new lines of sight, providing tactical advantages to her team. With her calm demeanor and sharp skills, Hibana is a vital asset in high-stakes operations.