Kotomi Asakura ((link))

The infamous briefcase—containing her father’s final research and a teddy bear—is not merely a plot device. It is a physical manifestation of Kotomi’s pathological guilt . She believes that by opening the briefcase, she will confirm that her wish (to keep her parents home for her birthday) caused the plane crash. This is a classic cognitive distortion: magical thinking and self-blame. Her refusal to open the briefcase for a decade is a form of emotional avoidance , a hallmark of PTSD.

, Kotomi Asakura appears as more than just a passing face. She is the personal assistant to Takeji Tsukiyama, the leader of the "Five Stars" cartel that dominates Osaka's 1980s nightlife. The Mastermind: kotomi asakura