”Another self within myself”... Does the TV series ”To My HYERI” actually happen? (Korea)

The Korean TV series "My Hyeri" has become a hot topic, raising interest in dissociative disorder. The TV Series is about a person with "dissociative disorder," also known as multiple personality disorder.
The drama is getting positive reviews from viewers for its depiction of the heroine's wound healing process. Shin Hye Sung, the heroine, plays two characters, Joo Eun Ho and Joo Hyeri, and Lee Hye Hee plays the role of star Naeun-sama.
・Receives love from JIN WOO (playing Jung Hyun Oh) and Kang Hoon (playing Kang Juyeon). Could this actually happen?
According to big data from the Health Insurance Review and Assessment Service on the 25th, the number of people who have received treatment for 11 types of dissociative disorders at least once is
As of last year, the total number of patients was 2,054. There was only one patient with a dissociative disorder, a condition in which a person has two or more separate personalities, but the patient had a strong dislike of his or her past or identity.
Dissociative fugue, in which the patient loses memory and wanders away from home or work, was reported in 18 people. Other conditions included dissociative confusion (23 people), temperamental dissociative disorder (58 people), dissociative convulsions (102 people), and dissociative amnesia.
(167 people) △ Dissociative movement disorder (197 people) △ Other dissociative disorders (224 people) △ Dissociative numbness and sensory loss (274 people) △ Mixed dissociative disorder (280 people) △ Unspecified releasing disorder
(710 cases). However, experts believe that there are many more patients, because a necessary symptom of post-traumatic stress disorder is dissociative disorder.
As of last year, 14,481 people were treated for dissociative disorder at least once. Dissociative disorder, which was the subject of the TV series, is a rare condition. Some people feel as if they are possessed by a ghost.
Professor Baek Jeong-woo said, "Those affected feel as if their senses are different and are unable to remember anything, which leaves them confused."
It's difficult to accept, and people are reluctant to go out."