Kana was engaged to Hatori Sohma, working as an assistant at his medical practice. Things fell apart when Hatori asked Akito for permission to marry her. Akito's response was violent—he attacked Hatori so brutally that Hatori lost nearly all vision in his left eye. Wracked with guilt over what happened to him, Kana spiraled emotionally. The situation became so painful that Hatori made the difficult choice to erase her memories of their relationship entirely, hoping it would free her from the burden of blame she was carrying.
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