Fuyuka Katano attends the same school as Ling Fei-long. After escaping a cloning facility, she discloses her cloned identity to Ling soon after their first encounter, sharing her background as a fugitive clone seeking safety. This status marks her for abduction by those linked to the facility. Mere moments after Ling pledges to shield her, she is ambushed and seized by the same group that previously pursued her, highlighting her vulnerability. Throughout the story, her emotions swing sharply from clinging to life to considering death and back again within brief periods. These rapid fluctuations occur without deep narrative exploration, framing her as a figure driven by external pressures and the story's accelerated pace.