: Struggles with his hyperthymesia as he vividly remembers Seo-yeon while looking at her best friend who has forgotten her entirely .
: Shows a "leaky memory" where she forgets small daily details, prompting her to take photos to document her life . Find Me in Your Memory Episode 5
: Torn between protecting Ha-jin and fearing that her regaining her memory of Seo-yeon will destroy her, Jung-hoon tries to distance himself . Character Highlights : Struggles with his hyperthymesia as he vividly